./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/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 209a5f451d4da606f6f89775a0cb8490169e98a1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:15,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:15,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:15,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:15,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:15,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:15,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:15,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:15,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:15,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:15,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:15,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:15,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:15,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:15,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:15,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:15,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:15,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:15,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:15,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:15,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:15,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:15,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:15,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:15,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:15,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:15,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:15,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:15,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:15,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:15,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:15,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:15,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:15,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:15,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:15,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:15,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:15,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:15,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:15,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:15,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:15,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:02:15,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:15,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:15,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:15,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:15,500 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:15,500 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:15,500 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:15,500 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:15,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:15,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:15,502 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:15,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:15,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:15,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:15,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:15,503 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:15,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:15,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:15,504 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:15,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:15,505 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/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 -> 209a5f451d4da606f6f89775a0cb8490169e98a1 [2019-10-22 09:02:15,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:15,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:15,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:15,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:15,543 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:15,544 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product46.cil.c [2019-10-22 09:02:15,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/data/f5fb0924d/2a45d5ffc8b04e288490e5921fb32bfb/FLAG5fc63f5fc [2019-10-22 09:02:16,022 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:16,023 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/sv-benchmarks/c/product-lines/minepump_spec4_product46.cil.c [2019-10-22 09:02:16,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/data/f5fb0924d/2a45d5ffc8b04e288490e5921fb32bfb/FLAG5fc63f5fc [2019-10-22 09:02:16,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/data/f5fb0924d/2a45d5ffc8b04e288490e5921fb32bfb [2019-10-22 09:02:16,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:16,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:16,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:16,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:16,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:16,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c9b81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16, skipping insertion in model container [2019-10-22 09:02:16,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:16,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:16,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:16,628 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:16,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:16,790 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:16,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16 WrapperNode [2019-10-22 09:02:16,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:16,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:16,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:16,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:16,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:16,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:16,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:16,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:16,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:16,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:17,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:17,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... [2019-10-22 09:02:17,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:17,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:17,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:17,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:17,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:02:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:17,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:17,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:18,005 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:18,005 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-10-22 09:02:18,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:18 BoogieIcfgContainer [2019-10-22 09:02:18,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:18,008 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:18,008 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:18,012 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:18,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:18,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:16" (1/3) ... [2019-10-22 09:02:18,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26065ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:18, skipping insertion in model container [2019-10-22 09:02:18,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:18,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:16" (2/3) ... [2019-10-22 09:02:18,016 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26065ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:18, skipping insertion in model container [2019-10-22 09:02:18,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:18,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:18" (3/3) ... [2019-10-22 09:02:18,018 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product46.cil.c [2019-10-22 09:02:18,070 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:18,070 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:18,071 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:18,071 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:18,071 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:18,071 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:18,071 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:18,071 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:18,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2019-10-22 09:02:18,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-10-22 09:02:18,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:18,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:18,149 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:18,149 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:18,149 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:18,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2019-10-22 09:02:18,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-10-22 09:02:18,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:18,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:18,163 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:18,164 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:18,170 INFO L791 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 100#L941true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 115#L949true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 77#L130true assume 0 != main_~tmp~0; 28#L103true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 44#L155-1true [2019-10-22 09:02:18,182 INFO L793 eck$LassoCheckResult]: Loop: 44#L155-1true assume !false; 32#L863true assume test_~splverifierCounter~0 < 4; 103#L864true test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 104#L872true assume !(0 != test_~tmp~9); 106#L872-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 38#L882true assume !(0 != test_~tmp___0~2); 40#L882-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 85#L892true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 91#L900-2true assume !(0 != ~pumpRunning~0); 76#L562true assume !(0 != ~systemActive~0); 111#L569true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 8#L833true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 47#L155true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 44#L155-1true [2019-10-22 09:02:18,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:18,189 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:02:18,199 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:18,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863979745] [2019-10-22 09:02:18,201 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:18,201 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:18,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:19,230 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:19,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1678359101, now seen corresponding path program 1 times [2019-10-22 09:02:19,232 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:19,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047647330] [2019-10-22 09:02:19,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,233 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:19,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047647330] [2019-10-22 09:02:19,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:19,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:19,298 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721753838] [2019-10-22 09:02:19,304 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:02:19,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:19,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:19,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:19,321 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2019-10-22 09:02:19,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:19,364 INFO L93 Difference]: Finished difference Result 126 states and 179 transitions. [2019-10-22 09:02:19,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:19,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 179 transitions. [2019-10-22 09:02:19,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-10-22 09:02:19,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 119 states and 171 transitions. [2019-10-22 09:02:19,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2019-10-22 09:02:19,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2019-10-22 09:02:19,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 171 transitions. [2019-10-22 09:02:19,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:19,381 INFO L688 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:02:19,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 171 transitions. [2019-10-22 09:02:19,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-22 09:02:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 09:02:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2019-10-22 09:02:19,418 INFO L711 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:02:19,418 INFO L591 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:02:19,418 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:19,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 171 transitions. [2019-10-22 09:02:19,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-10-22 09:02:19,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:19,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:19,426 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:19,426 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:19,426 INFO L791 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 280#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 281#L941 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 372#L949 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 364#L130 assume 0 != main_~tmp~0; 308#L103 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 309#L155-1 [2019-10-22 09:02:19,427 INFO L793 eck$LassoCheckResult]: Loop: 309#L155-1 assume !false; 314#L863 assume test_~splverifierCounter~0 < 4; 315#L864 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 374#L872 assume !(0 != test_~tmp~9); 369#L872-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 322#L882 assume !(0 != test_~tmp___0~2); 323#L882-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 327#L892 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 365#L900-2 assume !(0 != ~pumpRunning~0); 293#L562 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 350#L620 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret38, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 351#L594-1 assume !(0 == ~pumpRunning~0); 332#L569 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 271#L833 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 272#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 309#L155-1 [2019-10-22 09:02:19,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:19,427 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:02:19,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:19,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815709448] [2019-10-22 09:02:19,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:19,866 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1075674043, now seen corresponding path program 1 times [2019-10-22 09:02:19,868 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:19,868 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754152664] [2019-10-22 09:02:19,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,869 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:19,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:19,893 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754152664] [2019-10-22 09:02:19,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:19,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:19,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284568493] [2019-10-22 09:02:19,894 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:02:19,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:19,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:19,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:19,895 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-10-22 09:02:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:20,043 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2019-10-22 09:02:20,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:20,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 219 transitions. [2019-10-22 09:02:20,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2019-10-22 09:02:20,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 219 transitions. [2019-10-22 09:02:20,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2019-10-22 09:02:20,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2019-10-22 09:02:20,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 219 transitions. [2019-10-22 09:02:20,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:20,058 INFO L688 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:02:20,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 219 transitions. [2019-10-22 09:02:20,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-22 09:02:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-22 09:02:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2019-10-22 09:02:20,075 INFO L711 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:02:20,075 INFO L591 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:02:20,075 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:02:20,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 219 transitions. [2019-10-22 09:02:20,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2019-10-22 09:02:20,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:20,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:20,078 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:20,078 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:20,079 INFO L791 eck$LassoCheckResult]: Stem: 660#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 565#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 566#L941 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 665#L949 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 651#L130 assume 0 != main_~tmp~0; 593#L103 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 594#L155-1 [2019-10-22 09:02:20,079 INFO L793 eck$LassoCheckResult]: Loop: 594#L155-1 assume !false; 599#L863 assume test_~splverifierCounter~0 < 4; 600#L864 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 667#L872 assume !(0 != test_~tmp~9); 662#L872-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 608#L882 assume !(0 != test_~tmp___0~2); 609#L882-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 613#L892 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 655#L900-2 assume !(0 != ~pumpRunning~0); 658#L562 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 639#L620 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret38, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 640#L594-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 571#L841-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 572#L846-1 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 598#L739-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 569#L739-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 570#L745-1 processEnvironment__wrappee__methaneQuery_#t~ret38 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret38;havoc processEnvironment__wrappee__methaneQuery_#t~ret38; 645#L598-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5); 618#L569 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 556#L833 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 557#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 594#L155-1 [2019-10-22 09:02:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:20,080 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-10-22 09:02:20,080 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:20,080 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145582027] [2019-10-22 09:02:20,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,477 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:20,478 INFO L82 PathProgramCache]: Analyzing trace with hash -515194543, now seen corresponding path program 1 times [2019-10-22 09:02:20,478 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:20,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992340828] [2019-10-22 09:02:20,479 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,479 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,493 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:20,497 INFO L82 PathProgramCache]: Analyzing trace with hash -59123349, now seen corresponding path program 1 times [2019-10-22 09:02:20,497 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:20,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934867808] [2019-10-22 09:02:20,497 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,498 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:20,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:20,804 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:20,927 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-22 09:02:37,701 WARN L191 SmtUtils]: Spent 16.71 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:02:48,976 WARN L191 SmtUtils]: Spent 11.27 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:02:49,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:49 BoogieIcfgContainer [2019-10-22 09:02:49,050 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:49,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:49,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:49,051 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:49,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:18" (3/4) ... [2019-10-22 09:02:49,057 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:02:49,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6dbe7625-d1de-4cc6-8651-ba827fdc7c1d/bin/uautomizer/witness.graphml [2019-10-22 09:02:49,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:49,131 INFO L168 Benchmark]: Toolchain (without parser) took 33079.04 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 422.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -196.2 MB). Peak memory consumption was 226.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,133 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:49,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -45.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,134 INFO L168 Benchmark]: Boogie Preprocessor took 76.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,135 INFO L168 Benchmark]: RCFGBuilder took 995.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,135 INFO L168 Benchmark]: BuchiAutomizer took 31042.75 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 422.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -247.8 MB). Peak memory consumption was 827.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,135 INFO L168 Benchmark]: Witness Printer took 79.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:49,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 737.49 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -45.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 995.48 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 31042.75 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 422.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -247.8 MB). Peak memory consumption was 827.9 MB. Max. memory is 11.5 GB. * Witness Printer took 79.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 160 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 30.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 160 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 332 SDtfs, 304 SDslu, 57 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 862]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5538} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=5537, retValue_acc=0, NULL=5538, NULL=0, NULL=0, NULL=0, NULL=-8, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, NULL=0, NULL=-15, NULL=0, NULL=-18, tmp___1=0, tmp=0, retValue_acc=0, NULL=-9, tmp___0=0, cleanupTimeShifts=4, NULL=-10, NULL=-1, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@da1af81=0, NULL=-26, NULL=-25, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29f2007a=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c54635f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@642defed=0, NULL=0, \result=0, NULL=-16, NULL=-5, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=-2, NULL=-4, \result=0, NULL=-20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3266f6e0=0, NULL=-11, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fa9b66a=0, NULL=0, NULL=0, NULL=0, NULL=-14, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3785b416=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f1f5650=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2dda671d=0, NULL=-17, tmp=1, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ced4482=0, tmp___2=61, tmp___0=0, NULL=-12, NULL=-21, splverifierCounter=0, head=0, NULL=0, NULL=-19, NULL=0, tmp=0, NULL=-13, NULL=0, NULL=0, NULL=-7, NULL=-6, NULL=-3, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L758] int waterLevel = 1; [L759] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L945] int retValue_acc ; [L948] retValue_acc = 1 [L949] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L853] int splverifierCounter ; [L854] int tmp ; [L855] int tmp___0 ; [L856] int tmp___1 ; [L857] int tmp___2 ; [L860] splverifierCounter = 0 Loop: [L862] COND TRUE 1 [L864] COND TRUE splverifierCounter < 4 [L870] tmp = __VERIFIER_nondet_int() [L872] COND FALSE !(\read(tmp)) [L880] tmp___0 = __VERIFIER_nondet_int() [L882] COND FALSE !(\read(tmp___0)) [L890] tmp___2 = __VERIFIER_nondet_int() [L892] COND TRUE \read(tmp___2) [L753] systemActive = 1 [L562] COND FALSE !(\read(pumpRunning)) [L569] COND TRUE \read(systemActive) [L617] int tmp ; [L620] COND FALSE !(\read(pumpRunning)) [L591] int tmp ; [L594] COND TRUE ! pumpRunning [L731] int retValue_acc ; [L732] int tmp ; [L733] int tmp___0 ; [L838] int retValue_acc ; [L841] COND TRUE waterLevel < 2 [L842] retValue_acc = 1 [L843] return (retValue_acc); [L737] tmp = isHighWaterSensorDry() [L739] COND TRUE \read(tmp) [L740] tmp___0 = 0 [L744] retValue_acc = tmp___0 [L745] return (retValue_acc); [L596] tmp = isHighWaterLevel() [L598] COND FALSE !(\read(tmp)) [L148] int tmp ; [L149] int tmp___0 ; [L829] int retValue_acc ; [L832] retValue_acc = waterLevel [L833] return (retValue_acc); [L153] tmp = getWaterLevel() [L155] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...