./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/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 984879c67b20c2d5e13b785cd450ae5c42a4ba63 ......................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 17:46:27,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:46:27,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:46:27,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:46:27,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:46:27,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:46:27,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:46:27,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:46:27,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:46:27,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:46:27,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:46:27,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:46:27,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:46:27,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:46:27,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:46:27,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:46:27,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:46:27,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:46:27,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:46:27,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:46:27,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:46:27,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:46:27,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:46:27,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:46:27,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:46:27,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:46:27,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:46:27,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:46:27,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:46:27,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:46:27,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:46:27,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:46:27,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:46:27,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:46:27,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:46:27,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:46:27,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:46:27,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:46:27,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:46:27,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:46:27,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:46:27,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:46:27,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:46:27,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:46:27,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:46:27,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:46:27,895 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:46:27,895 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:46:27,895 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:46:27,895 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:46:27,895 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:46:27,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:46:27,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:46:27,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:46:27,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:46:27,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:46:27,898 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:46:27,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:46:27,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:46:27,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:46:27,898 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:46:27,899 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:46:27,899 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_06baa07c-d96b-464e-a1ee-64306dfa3e44/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 -> 984879c67b20c2d5e13b785cd450ae5c42a4ba63 [2019-12-07 17:46:27,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:46:28,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:46:28,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:46:28,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:46:28,010 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:46:28,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2019-12-07 17:46:28,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/data/439a2caf5/872d16105367485e8f2366748b5402b3/FLAG53a9bf339 [2019-12-07 17:46:28,492 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:46:28,492 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2019-12-07 17:46:28,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/data/439a2caf5/872d16105367485e8f2366748b5402b3/FLAG53a9bf339 [2019-12-07 17:46:28,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/data/439a2caf5/872d16105367485e8f2366748b5402b3 [2019-12-07 17:46:28,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:46:28,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:46:28,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:28,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:46:28,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:46:28,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be8a722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28, skipping insertion in model container [2019-12-07 17:46:28,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:46:28,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:46:28,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:28,751 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:46:28,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:28,816 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:46:28,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28 WrapperNode [2019-12-07 17:46:28,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:28,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:28,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:46:28,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:46:28,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:28,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:46:28,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:46:28,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:46:28,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... [2019-12-07 17:46:28,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:46:28,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:46:28,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:46:28,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:46:28,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/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 [2019-12-07 17:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:46:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:46:29,295 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:46:29,295 INFO L287 CfgBuilder]: Removed 80 assume(true) statements. [2019-12-07 17:46:29,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:29 BoogieIcfgContainer [2019-12-07 17:46:29,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:46:29,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:46:29,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:46:29,300 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:46:29,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:29,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:46:28" (1/3) ... [2019-12-07 17:46:29,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10ebbbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:29, skipping insertion in model container [2019-12-07 17:46:29,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:29,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:28" (2/3) ... [2019-12-07 17:46:29,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10ebbbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:29, skipping insertion in model container [2019-12-07 17:46:29,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:29,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:29" (3/3) ... [2019-12-07 17:46:29,304 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2019-12-07 17:46:29,337 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:46:29,337 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:46:29,337 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:46:29,337 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:46:29,337 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:46:29,338 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:46:29,338 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:46:29,338 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:46:29,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-12-07 17:46:29,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-12-07 17:46:29,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:29,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:29,373 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,374 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,374 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:46:29,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-12-07 17:46:29,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-12-07 17:46:29,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:29,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:29,379 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,379 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,383 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 10#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 5#L252true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 34#L260true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 30#L216true assume 0 != main_~tmp~0; 20#L187true ~switchedOnBeforeTS~0 := 0; 9#L639true havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L660-1true [2019-12-07 17:46:29,383 INFO L796 eck$LassoCheckResult]: Loop: 39#L660-1true assume !false; 56#L693true assume test_~splverifierCounter~0 < 4; 7#L694true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 11#L702true assume !(0 != test_~tmp~5); 13#L702-1true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 59#L712true assume !(0 != test_~tmp___0~1); 62#L712-1true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 43#L722true assume 0 != test_~tmp___2~0; 23#L728-2true havoc __utac_acc__Specification5_spec__2_#t~ret47;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 61#L818true __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 37#L649true assume !(0 != ~pumpRunning~0); 52#L759true assume 0 != ~systemActive~0; 38#L766true havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 33#L121true __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 35#L660true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 39#L660-1true [2019-12-07 17:46:29,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:29,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 17:46:29,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:29,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256518072] [2019-12-07 17:46:29,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:29,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:29,640 INFO L82 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2019-12-07 17:46:29,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:29,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665528026] [2019-12-07 17:46:29,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:29,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:29,652 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2019-12-07 17:46:29,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:29,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082657348] [2019-12-07 17:46:29,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:46:29,730 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082657348] [2019-12-07 17:46:29,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:46:29,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:46:29,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948836820] [2019-12-07 17:46:29,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:46:29,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:46:29,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:46:29,804 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2019-12-07 17:46:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:46:29,903 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2019-12-07 17:46:29,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:46:29,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2019-12-07 17:46:29,909 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-12-07 17:46:29,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2019-12-07 17:46:29,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2019-12-07 17:46:29,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2019-12-07 17:46:29,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2019-12-07 17:46:29,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:46:29,916 INFO L688 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2019-12-07 17:46:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2019-12-07 17:46:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2019-12-07 17:46:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 17:46:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2019-12-07 17:46:29,940 INFO L711 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-12-07 17:46:29,940 INFO L591 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-12-07 17:46:29,940 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:46:29,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2019-12-07 17:46:29,942 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-12-07 17:46:29,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:29,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:29,942 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,943 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:29,943 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 258#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 248#L252 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 249#L260 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 279#L216 assume 0 != main_~tmp~0; 267#L187 ~switchedOnBeforeTS~0 := 0; 256#L639 havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L660-1 [2019-12-07 17:46:29,943 INFO L796 eck$LassoCheckResult]: Loop: 257#L660-1 assume !false; 336#L693 assume test_~splverifierCounter~0 < 4; 252#L694 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 253#L702 assume !(0 != test_~tmp~5); 260#L702-1 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 261#L712 assume !(0 != test_~tmp___0~1); 345#L712-1 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 344#L722 assume 0 != test_~tmp___2~0; 342#L728-2 havoc __utac_acc__Specification5_spec__2_#t~ret47;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 341#L818 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 340#L649 assume !(0 != ~pumpRunning~0); 339#L759 assume 0 != ~systemActive~0; 338#L766 havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 284#L121 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 285#L660 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 314#L818-1 __utac_acc__Specification5_spec__3_#t~ret49 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret49;havoc __utac_acc__Specification5_spec__3_#t~ret49; 315#L664 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 257#L660-1 [2019-12-07 17:46:29,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:29,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 17:46:29,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:29,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856262330] [2019-12-07 17:46:29,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:29,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:30,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:30,000 INFO L82 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2019-12-07 17:46:30,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:30,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931866838] [2019-12-07 17:46:30,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:30,008 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:30,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2019-12-07 17:46:30,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:30,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184485078] [2019-12-07 17:46:30,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:30,058 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:50,837 WARN L192 SmtUtils]: Spent 20.68 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 17:47:02,512 WARN L192 SmtUtils]: Spent 11.67 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 17:47:02,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:47:02 BoogieIcfgContainer [2019-12-07 17:47:02,562 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:47:02,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:47:02,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:47:02,562 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:47:02,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:29" (3/4) ... [2019-12-07 17:47:02,564 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 17:47:02,599 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06baa07c-d96b-464e-a1ee-64306dfa3e44/bin/uautomizer/witness.graphml [2019-12-07 17:47:02,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:47:02,600 INFO L168 Benchmark]: Toolchain (without parser) took 34088.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -72.6 MB). Peak memory consumption was 87.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,600 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:47:02,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:47:02,601 INFO L168 Benchmark]: Boogie Preprocessor took 29.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,601 INFO L168 Benchmark]: RCFGBuilder took 400.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,602 INFO L168 Benchmark]: BuchiAutomizer took 33265.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,602 INFO L168 Benchmark]: Witness Printer took 37.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:02,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 400.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33265.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 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 5 locations. The remainder module has 105 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, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 692]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=743} State at position 1 is {NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e35d795=0, NULL=745, retValue_acc=0, NULL=743, NULL=0, NULL=0, NULL=0, NULL=758, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49b63df8=0, NULL=760, NULL=748, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a1e9421=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@759e9607=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f2265ae=0, tmp=0, NULL=749, NULL=0, NULL=767, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37a4da06=0, NULL=764, tmp___1=0, NULL=756, cleanupTimeShifts=4, NULL=754, switchedOnBeforeTS=0, NULL=753, NULL=759, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62d96b46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@239e7291=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=768, NULL=762, NULL=765, NULL=0, NULL=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=766, NULL=0, NULL=0, NULL=0, NULL=0, NULL=757, retValue_acc=1, NULL=750, tmp___2=61, NULL=755, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=752, NULL=746, head=0, NULL=763, NULL=0, NULL=747, NULL=0, NULL=761, NULL=744, retValue_acc=0, NULL=751} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L126] int cleanupTimeShifts = 4; [L434] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L633] int switchedOnBeforeTS ; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L207] int retValue_acc ; [L208] int tmp ; [L256] int retValue_acc ; [L259] retValue_acc = 1 [L260] return (retValue_acc); [L214] tmp = valid_product() [L216] COND TRUE \read(tmp) [L638] switchedOnBeforeTS = 0 [L683] int splverifierCounter ; [L684] int tmp ; [L685] int tmp___0 ; [L686] int tmp___1 ; [L687] int tmp___2 ; [L690] splverifierCounter = 0 Loop: [L692] COND TRUE 1 [L694] COND TRUE splverifierCounter < 4 [L700] tmp = __VERIFIER_nondet_int() [L702] COND FALSE !(\read(tmp)) [L710] tmp___0 = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp___0)) [L720] tmp___2 = __VERIFIER_nondet_int() [L722] COND TRUE \read(tmp___2) [L814] int retValue_acc ; [L817] retValue_acc = pumpRunning [L818] return (retValue_acc); [L647] switchedOnBeforeTS = isPumpRunning() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L653] int tmp ; [L654] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L658] tmp = getWaterLevel() [L660] COND TRUE tmp != 2 [L814] int retValue_acc ; [L817] retValue_acc = pumpRunning [L818] return (retValue_acc); [L662] tmp___0 = isPumpRunning() [L664] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...