./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 .......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:51:34,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:34,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:34,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:34,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:34,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:34,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:34,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:34,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:34,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:34,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:34,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:34,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:34,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:34,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:34,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:34,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:34,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:34,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:34,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:34,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:34,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:34,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:34,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:34,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:34,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:34,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:34,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:34,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:34,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:34,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:34,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:34,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:34,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:34,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:34,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:34,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:34,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:34,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:34,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:34,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:34,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:51:34,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:34,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:34,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:34,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:34,126 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:34,127 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:51:34,127 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:51:34,127 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:51:34,127 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:51:34,127 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:51:34,128 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:51:34,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:34,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:34,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:51:34,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:34,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:34,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:34,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:51:34,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:51:34,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:51:34,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:34,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:34,131 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:51:34,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:34,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:51:34,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:34,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:34,132 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:51:34,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:34,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:34,134 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:51:34,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:51:34,135 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/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2019-11-25 08:51:34,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:34,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:34,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:34,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:34,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:34,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-11-25 08:51:34,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/data/737881baf/f69ecfc13c6f4cd39102a0d554d7de0c/FLAG790e600e1 [2019-11-25 08:51:34,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:34,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2019-11-25 08:51:34,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/data/737881baf/f69ecfc13c6f4cd39102a0d554d7de0c/FLAG790e600e1 [2019-11-25 08:51:35,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/data/737881baf/f69ecfc13c6f4cd39102a0d554d7de0c [2019-11-25 08:51:35,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:35,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:35,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:35,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:35,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:35,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227bcf2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35, skipping insertion in model container [2019-11-25 08:51:35,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:35,319 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:35,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:35,683 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:35,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:35,823 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:35,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35 WrapperNode [2019-11-25 08:51:35,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:35,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:35,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:35,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:35,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:35,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:35,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:35,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:35,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... [2019-11-25 08:51:35,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:35,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:35,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:35,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:35,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/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 [2019-11-25 08:51:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:51:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:36,719 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:36,720 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-25 08:51:36,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36 BoogieIcfgContainer [2019-11-25 08:51:36,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:36,721 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:51:36,722 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:51:36,724 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:51:36,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:36,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:51:35" (1/3) ... [2019-11-25 08:51:36,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec0d2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:36, skipping insertion in model container [2019-11-25 08:51:36,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:36,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:35" (2/3) ... [2019-11-25 08:51:36,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ec0d2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:36, skipping insertion in model container [2019-11-25 08:51:36,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:36,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36" (3/3) ... [2019-11-25 08:51:36,729 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2019-11-25 08:51:36,768 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:51:36,768 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:51:36,768 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:51:36,769 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:36,769 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:36,769 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:51:36,769 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:36,769 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:51:36,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-25 08:51:36,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:51:36,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:36,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:36,813 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,813 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,813 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:51:36,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-25 08:51:36,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-25 08:51:36,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:36,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:36,820 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,820 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:36,825 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 22#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; 16#L73true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 28#L259true assume 0 != main_~tmp~0; 53#L235true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 74#L657-1true [2019-11-25 08:51:36,826 INFO L796 eck$LassoCheckResult]: Loop: 74#L657-1true assume !false; 64#L865true assume test_~splverifierCounter~0 < 4; 8#L866true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 39#L874true assume !(0 != test_~tmp~7); 19#L874-1true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 68#L884true assume !(0 != test_~tmp___0~2); 69#L884-1true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 51#L894true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 75#L902-1true assume !(0 != ~pumpRunning~0); 59#L686true assume !(0 != ~systemActive~0); 66#L693true havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 21#L160true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 71#L657true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 74#L657-1true [2019-11-25 08:51:36,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:51:36,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:36,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248590206] [2019-11-25 08:51:36,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:37,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:37,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-11-25 08:51:37,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:37,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399872474] [2019-11-25 08:51:37,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:37,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399872474] [2019-11-25 08:51:37,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:37,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:37,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091819465] [2019-11-25 08:51:37,181 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:51:37,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:37,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:37,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:37,198 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-11-25 08:51:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:37,277 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-11-25 08:51:37,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:37,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-11-25 08:51:37,285 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-11-25 08:51:37,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-11-25 08:51:37,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-11-25 08:51:37,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-11-25 08:51:37,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-11-25 08:51:37,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:51:37,296 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-11-25 08:51:37,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-11-25 08:51:37,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-11-25 08:51:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-25 08:51:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-11-25 08:51:37,330 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-25 08:51:37,330 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-25 08:51:37,330 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:51:37,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-11-25 08:51:37,333 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-11-25 08:51:37,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:51:37,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:51:37,336 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:51:37,336 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:37,336 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 246#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 247#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; 244#L73 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 245#L259 assume 0 != main_~tmp~0; 260#L235 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 243#L657-1 [2019-11-25 08:51:37,337 INFO L796 eck$LassoCheckResult]: Loop: 243#L657-1 assume !false; 299#L865 assume test_~splverifierCounter~0 < 4; 308#L866 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 307#L874 assume !(0 != test_~tmp~7); 305#L874-1 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 295#L884 assume !(0 != test_~tmp___0~2); 284#L884-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 303#L894 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 286#L902-1 assume !(0 != ~pumpRunning~0); 230#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 277#L718 assume !(0 != ~pumpRunning~0); 278#L693 havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 312#L160 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 297#L657 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 243#L657-1 [2019-11-25 08:51:37,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:37,337 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-25 08:51:37,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:37,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988556072] [2019-11-25 08:51:37,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-11-25 08:51:37,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:37,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258552580] [2019-11-25 08:51:37,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:37,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:37,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-11-25 08:51:37,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:37,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233860164] [2019-11-25 08:51:37,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:51:37,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:51:58,731 WARN L192 SmtUtils]: Spent 20.99 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:52:10,792 WARN L192 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:52:10,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:52:10 BoogieIcfgContainer [2019-11-25 08:52:10,862 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:52:10,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:10,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:10,863 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:10,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:36" (3/4) ... [2019-11-25 08:52:10,867 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:52:10,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a72b8437-2ff5-46a9-8862-2606fdc04768/bin/uautomizer/witness.graphml [2019-11-25 08:52:10,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:10,934 INFO L168 Benchmark]: Toolchain (without parser) took 35678.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,941 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:10,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -219.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.97 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,942 INFO L168 Benchmark]: Boogie Preprocessor took 48.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:10,943 INFO L168 Benchmark]: RCFGBuilder took 776.46 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,943 INFO L168 Benchmark]: BuchiAutomizer took 34141.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.0 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,944 INFO L168 Benchmark]: Witness Printer took 62.07 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: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:10,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 576.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -219.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.97 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 776.46 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34141.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -56.0 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.07 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: 9.2 MB). Peak memory consumption was 9.2 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.8s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 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: 864]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5226} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=5241, NULL=5226, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=7329, NULL=5242, methaneLevelCritical=0, NULL=5230, NULL=5228, NULL=5235, NULL=0, tmp=0, NULL=5232, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=5227, cleanupTimeShifts=4, NULL=7332, NULL=5234, NULL=5233, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72308f98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1319b604=0, NULL=7331, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6af53eb3=0, NULL=0, NULL=7330, NULL=0, NULL=0, NULL=7333, NULL=0, NULL=0, retValue_acc=1, NULL=7327, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=7325, NULL=5238, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7858f6c9=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@584a1c02=0, NULL=0, NULL=5229, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e203c2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d7d0b5f=55, tmp=1, retValue_acc=1, tmp___2=55, tmp___0=0, NULL=7328, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26c8a975=0, NULL=5236, head=0, tmp=0, NULL=5231, NULL=0, NULL=0, NULL=5240, NULL=5237, NULL=5239, NULL=7326} - 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; [L174] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L250] int retValue_acc ; [L251] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L855] int splverifierCounter ; [L856] int tmp ; [L857] int tmp___0 ; [L858] int tmp___1 ; [L859] int tmp___2 ; [L862] splverifierCounter = 0 Loop: [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND FALSE !(\read(tmp)) [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND TRUE \read(tmp___2) [L849] systemActive = 1 [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L650] int tmp ; [L651] int tmp___0 ; [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] return (retValue_acc); [L655] tmp = getWaterLevel() [L657] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...