./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.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_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/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 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 .......................................................................................................................................................................................................................................................................................................................................................................... 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 11:04:05,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:04:05,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:04:05,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:04:05,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:04:05,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:04:05,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:04:05,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:04:05,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:04:05,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:04:05,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:04:05,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:04:05,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:04:05,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:04:05,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:04:05,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:04:05,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:04:05,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:04:05,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:04:05,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:04:05,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:04:05,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:04:05,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:04:05,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:04:05,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:04:05,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:04:05,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:04:05,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:04:05,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:04:05,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:04:05,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:04:05,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:04:05,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:04:05,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:04:05,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:04:05,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:04:05,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:04:05,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:04:05,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:04:05,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:04:05,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:04:05,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:04:05,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:04:05,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:04:05,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:04:05,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:04:05,568 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:04:05,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:04:05,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:04:05,569 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:04:05,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:04:05,569 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:04:05,569 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:04:05,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:04:05,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:04:05,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:04:05,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:04:05,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:04:05,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:04:05,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:04:05,572 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:04:05,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:04:05,572 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_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/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 -> 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 [2019-12-07 11:04:05,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:04:05,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:04:05,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:04:05,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:04:05,680 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:04:05,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2019-12-07 11:04:05,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/data/906419948/e6da35a843c64767b026f2293d260dea/FLAG5fc188014 [2019-12-07 11:04:06,141 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:04:06,141 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2019-12-07 11:04:06,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/data/906419948/e6da35a843c64767b026f2293d260dea/FLAG5fc188014 [2019-12-07 11:04:06,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/data/906419948/e6da35a843c64767b026f2293d260dea [2019-12-07 11:04:06,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:04:06,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:04:06,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:04:06,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:04:06,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:04:06,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06, skipping insertion in model container [2019-12-07 11:04:06,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:04:06,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:04:06,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:04:06,425 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:04:06,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:04:06,492 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:04:06,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06 WrapperNode [2019-12-07 11:04:06,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:04:06,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:04:06,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:04:06,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:04:06,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:04:06,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:04:06,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:04:06,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:04:06,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... [2019-12-07 11:04:06,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:04:06,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:04:06,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:04:06,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:04:06,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/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 11:04:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:04:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:04:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:04:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:04:06,975 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:04:06,975 INFO L287 CfgBuilder]: Removed 82 assume(true) statements. [2019-12-07 11:04:06,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:04:06 BoogieIcfgContainer [2019-12-07 11:04:06,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:04:06,977 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:04:06,977 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:04:06,980 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:04:06,980 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:04:06,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:04:06" (1/3) ... [2019-12-07 11:04:06,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2858702c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:04:06, skipping insertion in model container [2019-12-07 11:04:06,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:04:06,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:04:06" (2/3) ... [2019-12-07 11:04:06,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2858702c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:04:06, skipping insertion in model container [2019-12-07 11:04:06,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:04:06,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:04:06" (3/3) ... [2019-12-07 11:04:06,983 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2019-12-07 11:04:07,012 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:04:07,012 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:04:07,013 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:04:07,013 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:04:07,013 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:04:07,013 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:04:07,013 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:04:07,013 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:04:07,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-12-07 11:04:07,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-12-07 11:04:07,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:04:07,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:04:07,047 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:04:07,047 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:04:07,047 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:04:07,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-12-07 11:04:07,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-12-07 11:04:07,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:04:07,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:04:07,051 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:04:07,051 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:04:07,055 INFO L794 eck$LassoCheckResult]: Stem: 27#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.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;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 15#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; 8#L73true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 28#L882true assume 0 != main_~tmp~6; 65#L858true ~switchedOnBeforeTS~0 := 0; 29#L172true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L193-1true [2019-12-07 11:04:07,055 INFO L796 eck$LassoCheckResult]: Loop: 13#L193-1true assume !false; 60#L595true assume test_~splverifierCounter~0 < 4; 10#L596true test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 30#L604true assume !(0 != test_~tmp~4); 33#L604-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 19#L614true assume !(0 != test_~tmp___0~1); 22#L614-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 63#L624true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 6#L632-2true havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 64#L741true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 14#L182true assume !(0 != ~pumpRunning~0); 46#L664true assume 0 != ~systemActive~0; 57#L671true havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 59#L159true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 16#L193true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 13#L193-1true [2019-12-07 11:04:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 11:04:07,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478468994] [2019-12-07 11:04:07,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,285 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:04:07,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2019-12-07 11:04:07,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472786270] [2019-12-07 11:04:07,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,297 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:04:07,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2019-12-07 11:04:07,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382822716] [2019-12-07 11:04:07,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:04:07,379 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 11:04:07,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382822716] [2019-12-07 11:04:07,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:04:07,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:04:07,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806886348] [2019-12-07 11:04:07,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:04:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:04:07,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:04:07,475 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2019-12-07 11:04:07,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:04:07,570 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2019-12-07 11:04:07,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:04:07,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2019-12-07 11:04:07,577 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-12-07 11:04:07,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2019-12-07 11:04:07,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2019-12-07 11:04:07,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2019-12-07 11:04:07,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2019-12-07 11:04:07,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:04:07,585 INFO L688 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2019-12-07 11:04:07,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2019-12-07 11:04:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2019-12-07 11:04:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-12-07 11:04:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2019-12-07 11:04:07,610 INFO L711 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-12-07 11:04:07,610 INFO L591 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2019-12-07 11:04:07,611 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:04:07,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2019-12-07 11:04:07,612 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2019-12-07 11:04:07,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:04:07,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:04:07,613 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:04:07,613 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 11:04:07,613 INFO L794 eck$LassoCheckResult]: Stem: 281#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.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;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 256#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 257#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; 254#L73 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 255#L882 assume 0 != main_~tmp~6; 282#L858 ~switchedOnBeforeTS~0 := 0; 283#L172 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 245#L193-1 [2019-12-07 11:04:07,613 INFO L796 eck$LassoCheckResult]: Loop: 245#L193-1 assume !false; 265#L595 assume test_~splverifierCounter~0 < 4; 258#L596 test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 259#L604 assume !(0 != test_~tmp~4); 284#L604-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 274#L614 assume !(0 != test_~tmp___0~1); 276#L614-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 280#L624 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 248#L632-2 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 251#L741 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 340#L182 assume !(0 != ~pumpRunning~0); 339#L664 assume 0 != ~systemActive~0; 318#L671 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 319#L159 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 269#L193 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 270#L741-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 244#L197 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 245#L193-1 [2019-12-07 11:04:07,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 11:04:07,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096066622] [2019-12-07 11:04:07,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:04:07,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,673 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2019-12-07 11:04:07,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116340025] [2019-12-07 11:04:07,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,683 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:04:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:04:07,683 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2019-12-07 11:04:07,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:04:07,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36756581] [2019-12-07 11:04:07,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:04:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:04:07,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:04:28,753 WARN L192 SmtUtils]: Spent 20.89 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 11:04:41,021 WARN L192 SmtUtils]: Spent 12.26 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 11:04:41,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:04:41 BoogieIcfgContainer [2019-12-07 11:04:41,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:04:41,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:04:41,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:04:41,072 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:04:41,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:04:06" (3/4) ... [2019-12-07 11:04:41,075 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 11:04:41,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1ad2c061-5ecf-4d7a-8ced-2b465d0e7563/bin/uautomizer/witness.graphml [2019-12-07 11:04:41,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:04:41,110 INFO L168 Benchmark]: Toolchain (without parser) took 34950.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -78.9 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:04:41,111 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:04:41,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:04:41,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.27 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 11:04:41,111 INFO L168 Benchmark]: Boogie Preprocessor took 24.38 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 11:04:41,112 INFO L168 Benchmark]: RCFGBuilder took 415.86 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:04:41,112 INFO L168 Benchmark]: BuchiAutomizer took 34095.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.9 MB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:04:41,112 INFO L168 Benchmark]: Witness Printer took 37.21 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:04:41,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.27 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 24.38 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 415.86 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: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34095.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.9 MB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. * Witness Printer took 37.21 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 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, 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: 594]: 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, NULL=4614, NULL=0, NULL=743, NULL=746, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29a2b65=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10b24e41=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4324cb6e=0, NULL=0, NULL=0, retValue_acc=0, NULL=12988, NULL=755, methaneLevelCritical=0, NULL=747, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5499edfc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b0a2cbb=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b8aa86=0, NULL=761, tmp=0, NULL=751, NULL=0, NULL=748, NULL=0, NULL=12986, NULL=752, tmp___1=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=12987, cleanupTimeShifts=4, NULL=744, switchedOnBeforeTS=0, NULL=749, NULL=757, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=760, NULL=0, NULL=12989, NULL=756, NULL=0, NULL=0, retValue_acc=1, NULL=12990, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=753, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=750, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@734453f8=0, retValue_acc=1, tmp___2=54, tmp___0=0, splverifierCounter=0, NULL=758, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f9cd45=0, NULL=762, head=0, NULL=754, NULL=0, NULL=745, NULL=759, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L166] int switchedOnBeforeTS ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L799] int cleanupTimeShifts = 4; [L873] int retValue_acc ; [L874] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L880] tmp = valid_product() [L882] COND TRUE \read(tmp) [L171] switchedOnBeforeTS = 0 [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 Loop: [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L785] systemActive = 1 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L180] switchedOnBeforeTS = isPumpRunning() [L664] COND FALSE !(\read(pumpRunning)) [L671] COND TRUE \read(systemActive) [L186] int tmp ; [L187] int tmp___0 ; [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L191] tmp = getWaterLevel() [L193] COND TRUE tmp != 2 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L195] tmp___0 = isPumpRunning() [L197] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...