./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer --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 28a54042f1f5566756557cd1279c2453038441ec ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:25,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:25,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:25,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:25,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:25,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:25,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:25,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:25,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:25,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:25,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:25,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:25,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:25,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:25,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:25,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:25,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:25,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:25,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:25,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:25,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:25,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:25,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:25,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:25,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:25,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:25,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:25,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:25,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:25,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:25,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:25,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:25,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:25,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:25,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:25,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:25,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:25,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:25,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:25,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:25,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:25,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:25,386 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:25,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:25,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:25,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:25,390 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:25,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:25,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:25,390 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:25,390 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:25,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:25,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:25,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:25,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:25,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:25,393 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:25,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:25,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:25,393 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:25,394 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:25,394 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer 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 -> 28a54042f1f5566756557cd1279c2453038441ec [2019-10-22 08:56:25,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:25,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:25,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:25,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:25,434 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:25,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2019-10-22 08:56:25,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/data/669c0a4b9/9a3f92ce1a284dd0ae6534cbe8d3f78f/FLAGeaca2bdab [2019-10-22 08:56:25,936 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:25,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2019-10-22 08:56:25,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/data/669c0a4b9/9a3f92ce1a284dd0ae6534cbe8d3f78f/FLAGeaca2bdab [2019-10-22 08:56:26,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/data/669c0a4b9/9a3f92ce1a284dd0ae6534cbe8d3f78f [2019-10-22 08:56:26,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:26,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:26,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:26,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:26,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:26,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b64ea14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26, skipping insertion in model container [2019-10-22 08:56:26,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,290 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:26,329 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:26,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:26,677 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:26,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:26,796 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:26,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26 WrapperNode [2019-10-22 08:56:26,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:26,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:26,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:26,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:26,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:26,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:26,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:26,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:26,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... [2019-10-22 08:56:26,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:26,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:26,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:26,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:26,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:27,465 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:27,465 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 08:56:27,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27 BoogieIcfgContainer [2019-10-22 08:56:27,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:27,467 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:27,467 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:27,470 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:27,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:26" (1/3) ... [2019-10-22 08:56:27,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765335e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:26" (2/3) ... [2019-10-22 08:56:27,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@765335e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:27, skipping insertion in model container [2019-10-22 08:56:27,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:27,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/3) ... [2019-10-22 08:56:27,477 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2019-10-22 08:56:27,517 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:27,517 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:27,517 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:27,517 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:27,517 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:27,518 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:27,518 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:27,518 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:27,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:56:27,554 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:56:27,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,563 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,563 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,563 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:27,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-10-22 08:56:27,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-10-22 08:56:27,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:27,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:27,568 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,568 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:27,574 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25); 14#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 20#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 12#L73true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 72#L287true assume 0 != main_~tmp~1; 7#L263true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 65#L184-1true [2019-10-22 08:56:27,574 INFO L793 eck$LassoCheckResult]: Loop: 65#L184-1true assume !false; 24#L859true assume test_~splverifierCounter~0 < 4; 48#L860true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 50#L868true assume !(0 != test_~tmp~8); 52#L868-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 29#L878true assume !(0 != test_~tmp___0~2); 30#L878-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 4#L888true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 16#L896-2true assume !(0 != ~pumpRunning~0); 31#L311true assume !(0 != ~systemActive~0); 17#L318true havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 45#L128true __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 66#L184true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 65#L184-1true [2019-10-22 08:56:27,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:27,581 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:56:27,589 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:27,590 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852137406] [2019-10-22 08:56:27,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,590 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:27,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:28,435 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:28,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2019-10-22 08:56:28,437 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865222564] [2019-10-22 08:56:28,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,438 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:28,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865222564] [2019-10-22 08:56:28,516 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:28,517 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:28,518 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176780573] [2019-10-22 08:56:28,523 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:56:28,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:28,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:28,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:28,544 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-10-22 08:56:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:28,603 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2019-10-22 08:56:28,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:28,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2019-10-22 08:56:28,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:56:28,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-10-22 08:56:28,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-10-22 08:56:28,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-10-22 08:56:28,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-10-22 08:56:28,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:28,629 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:56:28,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-10-22 08:56:28,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-10-22 08:56:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-10-22 08:56:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-10-22 08:56:28,670 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:56:28,670 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-10-22 08:56:28,670 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:28,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-10-22 08:56:28,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-10-22 08:56:28,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:28,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:28,678 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:28,679 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:28,679 INFO L791 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25); 177#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 178#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 172#L73 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 173#L287 assume 0 != main_~tmp~1; 163#L263 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 164#L184-1 [2019-10-22 08:56:28,679 INFO L793 eck$LassoCheckResult]: Loop: 164#L184-1 assume !false; 185#L859 assume test_~splverifierCounter~0 < 4; 186#L860 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 211#L868 assume !(0 != test_~tmp~8); 195#L868-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 190#L878 assume !(0 != test_~tmp___0~2); 191#L878-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 155#L888 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 156#L896-2 assume !(0 != ~pumpRunning~0); 159#L311 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 160#L343 assume !(0 != ~pumpRunning~0); 162#L318 havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 180#L128 __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 205#L184 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 164#L184-1 [2019-10-22 08:56:28,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:28,680 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:56:28,680 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:28,680 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713547194] [2019-10-22 08:56:28,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:28,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,136 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:29,136 INFO L82 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2019-10-22 08:56:29,136 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:29,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786075817] [2019-10-22 08:56:29,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:29,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:29,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,150 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:29,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:29,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2019-10-22 08:56:29,154 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:29,154 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367795241] [2019-10-22 08:56:29,154 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:29,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:29,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:29,480 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:49,824 WARN L191 SmtUtils]: Spent 20.21 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:57:00,714 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:57:00,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:00 BoogieIcfgContainer [2019-10-22 08:57:00,763 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:00,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:00,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:00,763 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:00,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:27" (3/4) ... [2019-10-22 08:57:00,767 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:57:00,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b4a52dd-2cc9-418c-a367-6b6f32af1ea6/bin/uautomizer/witness.graphml [2019-10-22 08:57:00,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:00,811 INFO L168 Benchmark]: Toolchain (without parser) took 34535.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,812 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:00,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,813 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,813 INFO L168 Benchmark]: RCFGBuilder took 569.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,814 INFO L168 Benchmark]: BuchiAutomizer took 33295.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 276.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,814 INFO L168 Benchmark]: Witness Printer took 47.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:00,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 959.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 520.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 569.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33295.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 276.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * 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 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.0s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 858]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-16, NULL=-2, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-8, NULL=-10, NULL=-4, methaneLevelCritical=0, NULL=-15, NULL=0, NULL=0, NULL=-19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d2b2faf=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-21, tmp___0=0, NULL=-22, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6924d50d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8f1e416=0, NULL=-23, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-14, \result=1, NULL=-6, head=0, pumpRunning=0, NULL=-3, \result=0, NULL=-1, NULL=-25, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3028a61f=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7441d894=0, NULL=-9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76f86954=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31dee0cf=0, NULL=-13, retValue_acc=1, tmp___2=66, tmp___0=0, NULL=-24, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a6fe866=0, splverifierCounter=0, \result=0, NULL=-17, tmp=0, head=0, NULL=0, NULL=0, NULL=-18, NULL=0, NULL=0, NULL=-7, NULL=0, NULL=-11, NULL=-5, NULL=-12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L304] int pumpRunning = 0; [L305] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L278] int retValue_acc ; [L279] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L849] int splverifierCounter ; [L850] int tmp ; [L851] int tmp___0 ; [L852] int tmp___1 ; [L853] int tmp___2 ; [L856] splverifierCounter = 0 Loop: [L858] COND TRUE 1 [L860] COND TRUE splverifierCounter < 4 [L866] tmp = __VERIFIER_nondet_int() [L868] COND FALSE !(\read(tmp)) [L876] tmp___0 = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp___0)) [L886] tmp___2 = __VERIFIER_nondet_int() [L888] COND TRUE \read(tmp___2) [L477] systemActive = 1 [L311] COND FALSE !(\read(pumpRunning)) [L318] COND TRUE \read(systemActive) [L340] int tmp ; [L343] COND FALSE !(\read(pumpRunning)) [L177] int tmp ; [L178] int tmp___0 ; [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...