./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.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_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/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 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c ........................................................................................................................................................................................................................................................................................................................................................................ 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 09:00:33,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:33,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:33,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:33,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:33,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:33,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:33,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:33,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:33,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:33,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:33,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:33,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:33,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:33,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:33,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:33,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:33,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:33,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:33,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:33,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:33,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:33,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:33,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:33,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:33,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:33,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:33,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:33,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:33,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:33,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:33,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:33,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:33,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:33,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:33,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:33,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:33,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:33,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:33,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:33,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:33,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:00:33,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:33,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:33,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:33,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:33,955 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:33,955 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:00:33,955 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:00:33,956 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:00:33,956 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:00:33,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:00:33,956 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:00:33,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:33,956 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:00:33,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:00:33,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:00:33,958 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:00:33,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:33,959 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:00:33,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:33,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:33,960 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:00:33,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:00:33,960 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_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/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 -> 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c [2019-10-22 09:00:34,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:34,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:34,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:34,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:34,020 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:34,021 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2019-10-22 09:00:34,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/data/1b0a5f1c5/ceec6b8930fe4434af014a7f26e3e298/FLAG45d456bcf [2019-10-22 09:00:34,474 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:34,475 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2019-10-22 09:00:34,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/data/1b0a5f1c5/ceec6b8930fe4434af014a7f26e3e298/FLAG45d456bcf [2019-10-22 09:00:34,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/data/1b0a5f1c5/ceec6b8930fe4434af014a7f26e3e298 [2019-10-22 09:00:34,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:34,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:34,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:34,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:34,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:34,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9d236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34, skipping insertion in model container [2019-10-22 09:00:34,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:34,572 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:34,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:34,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:35,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:35,052 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:35,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35 WrapperNode [2019-10-22 09:00:35,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:35,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:35,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:35,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:35,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:35,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:35,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:35,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:35,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... [2019-10-22 09:00:35,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:35,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:35,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:35,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:35,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/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 09:00:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:35,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:35,883 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 09:00:35,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35 BoogieIcfgContainer [2019-10-22 09:00:35,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:35,885 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:00:35,885 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:00:35,889 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:00:35,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:35,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:00:34" (1/3) ... [2019-10-22 09:00:35,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e39def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:35, skipping insertion in model container [2019-10-22 09:00:35,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:35,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:35" (2/3) ... [2019-10-22 09:00:35,892 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e39def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:00:35, skipping insertion in model container [2019-10-22 09:00:35,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:00:35,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35" (3/3) ... [2019-10-22 09:00:35,894 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2019-10-22 09:00:35,943 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:00:35,943 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:00:35,944 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:00:35,944 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:35,944 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:35,945 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:00:35,945 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:35,945 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:00:35,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-10-22 09:00:35,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 09:00:35,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:35,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:36,000 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,000 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,000 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:00:36,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-10-22 09:00:36,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-10-22 09:00:36,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:36,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:36,009 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,009 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,014 INFO L791 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;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);~methAndRunningLastTime~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 10#L431true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 12#L439true main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 6#L533true assume 0 != main_~tmp~3; 36#L507true ~methAndRunningLastTime~0 := 0; 21#L931true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L942-1true [2019-10-22 09:00:36,019 INFO L793 eck$LassoCheckResult]: Loop: 23#L942-1true assume !false; 24#L653true assume test_~splverifierCounter~0 < 4; 3#L654true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 13#L662true assume !(0 != test_~tmp~4); 14#L662-1true test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 55#L672true assume !(0 != test_~tmp___0~0); 57#L672-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 94#L682true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 106#L690-2true assume !(0 != ~pumpRunning~0); 9#L720true assume !(0 != ~systemActive~0); 49#L727true havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 34#L595-1true __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 19#L942true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 23#L942-1true [2019-10-22 09:00:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-10-22 09:00:36,032 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066983652] [2019-10-22 09:00:36,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:36,817 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,819 INFO L82 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2019-10-22 09:00:36,819 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,819 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023907574] [2019-10-22 09:00:36,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:36,876 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 09:00:36,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023907574] [2019-10-22 09:00:36,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:36,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:36,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559253520] [2019-10-22 09:00:36,883 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:00:36,884 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:36,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:36,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:36,900 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-10-22 09:00:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:36,959 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2019-10-22 09:00:36,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:36,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2019-10-22 09:00:36,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-10-22 09:00:36,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-10-22 09:00:36,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-10-22 09:00:36,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-10-22 09:00:36,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-10-22 09:00:36,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:00:36,982 INFO L688 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-10-22 09:00:36,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-10-22 09:00:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-22 09:00:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-22 09:00:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-10-22 09:00:37,011 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-10-22 09:00:37,011 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-10-22 09:00:37,018 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:00:37,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-10-22 09:00:37,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-10-22 09:00:37,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:00:37,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:00:37,020 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,020 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,021 INFO L791 eck$LassoCheckResult]: Stem: 315#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;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);~methAndRunningLastTime~0 := 0; 232#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 233#L431 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 235#L439 main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 227#L533 assume 0 != main_~tmp~3; 228#L507 ~methAndRunningLastTime~0 := 0; 254#L931 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 251#L942-1 [2019-10-22 09:00:37,021 INFO L793 eck$LassoCheckResult]: Loop: 251#L942-1 assume !false; 255#L653 assume test_~splverifierCounter~0 < 4; 221#L654 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 222#L662 assume !(0 != test_~tmp~4); 239#L662-1 test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 240#L672 assume !(0 != test_~tmp___0~0); 242#L672-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 294#L682 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 319#L690-2 assume !(0 != ~pumpRunning~0); 234#L720 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 229#L778 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret51, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 230#L752-1 assume !(0 != ~pumpRunning~0); 274#L727 havoc __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_#t~ret73, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 268#L595-1 __utac_acc__Specification2_spec__2_#t~ret72 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret72;havoc __utac_acc__Specification2_spec__2_#t~ret72; 249#L942 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 251#L942-1 [2019-10-22 09:00:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-10-22 09:00:37,022 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570293620] [2019-10-22 09:00:37,022 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,022 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,371 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:37,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2019-10-22 09:00:37,373 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,373 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400829457] [2019-10-22 09:00:37,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,374 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,392 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2019-10-22 09:00:37,395 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189504878] [2019-10-22 09:00:37,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:37,741 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:01,350 WARN L191 SmtUtils]: Spent 23.50 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-10-22 09:01:12,986 WARN L191 SmtUtils]: Spent 11.63 s on a formula simplification that was a NOOP. DAG size: 451 [2019-10-22 09:01:13,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:13 BoogieIcfgContainer [2019-10-22 09:01:13,063 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:13,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:13,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:13,063 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:13,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35" (3/4) ... [2019-10-22 09:01:13,066 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:01:13,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a62c2cd7-09c1-45c6-88e8-b2b101a8902c/bin/uautomizer/witness.graphml [2019-10-22 09:01:13,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:13,108 INFO L168 Benchmark]: Toolchain (without parser) took 38609.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.0 MB). Free memory was 944.5 MB in the beginning and 889.2 MB in the end (delta: 55.3 MB). Peak memory consumption was 401.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:13,108 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:13,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:13,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:13,109 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:13,109 INFO L168 Benchmark]: RCFGBuilder took 732.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:13,111 INFO L168 Benchmark]: BuchiAutomizer took 37177.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 153.6 MB). Free memory was 1.1 GB in the beginning and 900.2 MB in the end (delta: 193.5 MB). Peak memory consumption was 366.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:13,112 INFO L168 Benchmark]: Witness Printer took 43.30 ms. Allocated memory is still 1.4 GB. Free memory was 900.2 MB in the beginning and 889.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:13,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 732.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37177.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 153.6 MB). Free memory was 1.1 GB in the beginning and 900.2 MB in the end (delta: 193.5 MB). Peak memory consumption was 366.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.30 ms. Allocated memory is still 1.4 GB. Free memory was 900.2 MB in the beginning and 889.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 36.8s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 652]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=3, NULL=-5, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b0debcc=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2508c08b=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@87ed25b=0, NULL=0, NULL=-23, NULL=0, NULL=-7, NULL=2, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e671eb9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@aecfd43=0, tmp=0, NULL=0, NULL=0, NULL=-9, tmp___1=0, NULL=-8, NULL=-24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c127a0f=0, NULL=-18, NULL=-27, cleanupTimeShifts=4, NULL=-11, NULL=-26, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=-1, retValue_acc=0, NULL=-19, tmp___0=0, NULL=-10, NULL=0, NULL=0, \result=1, NULL=-21, head=0, pumpRunning=0, \result=0, NULL=-28, tmp=1, NULL=0, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3064ea38=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2906fe02=0, NULL=0, retValue_acc=1, NULL=-15, tmp___2=64, NULL=-22, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29b614d6=0, NULL=-14, head=0, NULL=0, NULL=-17, tmp=0, NULL=-16, NULL=0, NULL=-20, NULL=0, NULL=0, NULL=-25, NULL=-13, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L552] int waterLevel = 1; [L553] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; [L925] int methAndRunningLastTime ; [L524] int retValue_acc ; [L525] int tmp ; [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] return (retValue_acc); [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L930] methAndRunningLastTime = 0 [L643] int splverifierCounter ; [L644] int tmp ; [L645] int tmp___0 ; [L646] int tmp___1 ; [L647] int tmp___2 ; [L650] splverifierCounter = 0 Loop: [L652] COND TRUE 1 [L654] COND TRUE splverifierCounter < 4 [L660] tmp = __VERIFIER_nondet_int() [L662] COND FALSE !(\read(tmp)) [L670] tmp___0 = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp___0)) [L680] tmp___2 = __VERIFIER_nondet_int() [L682] COND TRUE \read(tmp___2) [L911] systemActive = 1 [L720] COND FALSE !(\read(pumpRunning)) [L727] COND TRUE \read(systemActive) [L775] int tmp ; [L778] COND FALSE !(\read(pumpRunning)) [L749] int tmp ; [L752] COND FALSE !(\read(pumpRunning)) [L935] int tmp ; [L936] int tmp___0 ; [L591] int retValue_acc ; [L594] retValue_acc = methaneLevelCritical [L595] return (retValue_acc); [L940] tmp = isMethaneLevelCritical() [L942] COND FALSE !(\read(tmp)) [L958] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...