./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ............................................................................................................................................................................................................................................................................................................................................................................ 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 08:54:24,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:24,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:24,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:24,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:24,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:24,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:24,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:24,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:24,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:24,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:24,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:24,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:24,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:24,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:24,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:24,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:24,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:24,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:24,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:24,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:24,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:24,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:24,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:24,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:24,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:24,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:24,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:24,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:24,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:24,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:24,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:24,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:24,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:24,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:24,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:24,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:24,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:24,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:24,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:24,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:24,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:24,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:24,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:24,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:24,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:24,951 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:24,952 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:24,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:24,952 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:24,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:24,952 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:24,952 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:24,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:24,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:24,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:24,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:24,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:24,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:24,955 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:24,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:24,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:24,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:24,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:24,955 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:24,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:24,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:24,956 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:24,957 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:24,957 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_0a5475be-5413-4dfb-bad1-e5a210ac6d49/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2019-10-22 08:54:24,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:24,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:25,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:25,004 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:25,005 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:25,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-10-22 08:54:25,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/data/1e833c54f/392ef4d76c1e4f5fbb35578e163bb6fd/FLAG90d9f3ace [2019-10-22 08:54:25,507 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:25,508 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2019-10-22 08:54:25,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/data/1e833c54f/392ef4d76c1e4f5fbb35578e163bb6fd/FLAG90d9f3ace [2019-10-22 08:54:26,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/data/1e833c54f/392ef4d76c1e4f5fbb35578e163bb6fd [2019-10-22 08:54:26,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:26,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:26,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:26,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:26,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:26,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dde477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26, skipping insertion in model container [2019-10-22 08:54:26,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,045 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:26,082 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:26,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:26,514 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:26,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:26,620 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:26,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26 WrapperNode [2019-10-22 08:54:26,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:26,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:26,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:26,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:26,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:26,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:26,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:26,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:26,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... [2019-10-22 08:54:26,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:26,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:26,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:26,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:26,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/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 08:54:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:27,427 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:27,427 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-10-22 08:54:27,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:27 BoogieIcfgContainer [2019-10-22 08:54:27,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:27,429 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:27,430 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:27,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:27,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:27,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:26" (1/3) ... [2019-10-22 08:54:27,435 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6675686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:27, skipping insertion in model container [2019-10-22 08:54:27,435 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:27,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:26" (2/3) ... [2019-10-22 08:54:27,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6675686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:27, skipping insertion in model container [2019-10-22 08:54:27,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:27,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:27" (3/3) ... [2019-10-22 08:54:27,438 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2019-10-22 08:54:27,483 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:27,484 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:27,484 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:27,484 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:27,484 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:27,484 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:27,484 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:27,484 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:27,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 08:54:27,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 08:54:27,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:27,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:27,539 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:27,540 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:27,540 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:27,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 08:54:27,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 08:54:27,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:27,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:27,544 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:27,545 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:27,551 INFO L791 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 23#L-1true havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 39#L564true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 61#L572true main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 36#L662true assume 0 != main_~tmp~4; 58#L638true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L51-1true [2019-10-22 08:54:27,552 INFO L793 eck$LassoCheckResult]: Loop: 15#L51-1true assume !false; 50#L857true assume test_~splverifierCounter~0 < 4; 76#L858true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 10#L866true assume !(0 != test_~tmp~7); 16#L866-1true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 68#L876true assume !(0 != test_~tmp___0~2); 70#L876-1true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 55#L886true assume 0 != test_~tmp___2~0; 27#L892-1true assume !(0 != ~pumpRunning~0); 65#L686true assume !(0 != ~systemActive~0); 73#L693true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 24#L127true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 20#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 15#L51-1true [2019-10-22 08:54:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:54:27,570 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:27,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583625208] [2019-10-22 08:54:27,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:27,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:27,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:28,232 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:28,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-10-22 08:54:28,234 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:28,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292154788] [2019-10-22 08:54:28,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,235 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:28,256 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:28,261 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-10-22 08:54:28,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:28,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940570199] [2019-10-22 08:54:28,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:28,393 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 08:54:28,393 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940570199] [2019-10-22 08:54:28,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:28,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:54:28,394 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177071282] [2019-10-22 08:54:28,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:28,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:54:28,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:54:28,502 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-10-22 08:54:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:28,663 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-10-22 08:54:28,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:54:28,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-10-22 08:54:28,673 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-10-22 08:54:28,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-10-22 08:54:28,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-10-22 08:54:28,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-10-22 08:54:28,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-10-22 08:54:28,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:28,685 INFO L688 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-10-22 08:54:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-10-22 08:54:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-10-22 08:54:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 08:54:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-10-22 08:54:28,721 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-10-22 08:54:28,723 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-10-22 08:54:28,725 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:28,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-10-22 08:54:28,728 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-10-22 08:54:28,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:28,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:28,728 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:54:28,729 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:28,734 INFO L791 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 312#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 313#L564 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 330#L572 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 327#L662 assume 0 != main_~tmp~4; 328#L638 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 306#L51-1 [2019-10-22 08:54:28,735 INFO L793 eck$LassoCheckResult]: Loop: 306#L51-1 assume !false; 307#L857 assume test_~splverifierCounter~0 < 4; 340#L858 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 299#L866 assume !(0 != test_~tmp~7); 298#L866-1 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 308#L876 assume !(0 != test_~tmp___0~2); 325#L876-1 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 347#L886 assume 0 != test_~tmp___2~0; 317#L892-1 assume !(0 != ~pumpRunning~0); 319#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 341#L718 assume !(0 != ~pumpRunning~0); 342#L693 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 314#L127 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 311#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 306#L51-1 [2019-10-22 08:54:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:28,735 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:54:28,735 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:28,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949845129] [2019-10-22 08:54:28,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:28,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,116 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:29,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:29,121 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-10-22 08:54:29,122 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:29,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111095379] [2019-10-22 08:54:29,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:29,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:29,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,155 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:29,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-10-22 08:54:29,162 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:29,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745498309] [2019-10-22 08:54:29,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:29,162 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:29,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:29,416 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:54,294 WARN L191 SmtUtils]: Spent 24.81 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:55:07,067 WARN L191 SmtUtils]: Spent 12.77 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:55:07,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:07 BoogieIcfgContainer [2019-10-22 08:55:07,133 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:07,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:07,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:07,133 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:07,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:27" (3/4) ... [2019-10-22 08:55:07,137 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:55:07,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a5475be-5413-4dfb-bad1-e5a210ac6d49/bin/uautomizer/witness.graphml [2019-10-22 08:55:07,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:07,189 INFO L168 Benchmark]: Toolchain (without parser) took 41158.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -246.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:07,189 INFO L168 Benchmark]: CDTParser took 0.20 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 08:55:07,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:07,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:07,190 INFO L168 Benchmark]: Boogie Preprocessor took 51.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:07,191 INFO L168 Benchmark]: RCFGBuilder took 704.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:07,191 INFO L168 Benchmark]: BuchiAutomizer took 39703.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.1 MB). Peak memory consumption was 272.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:07,192 INFO L168 Benchmark]: Witness Printer took 54.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:07,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 589.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 704.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39703.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.1 MB). Peak memory consumption was 272.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 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 6 locations. The remainder module has 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.3s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 856]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5852} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@237fd846=0, NULL=5852, NULL=0, NULL=0, NULL=0, NULL=-12, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-18, NULL=-2, NULL=-15, methaneLevelCritical=0, NULL=-19, NULL=5849, NULL=0, tmp=0, tmp___1=0, tmp___0=0, NULL=-21, cleanupTimeShifts=4, NULL=-5, NULL=5850, NULL=-8, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a9f12fb=0, NULL=0, NULL=0, NULL=-22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c09827c=0, NULL=-7, NULL=0, NULL=0, NULL=-1, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=-17, tmp=1, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ec74ef8=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ff05f16=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@aa6d1d1=0, NULL=0, NULL=5851, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56577626=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751b98a=68, retValue_acc=1, NULL=-9, tmp___2=68, tmp___0=0, NULL=-11, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-20, head=0, tmp=0, NULL=-10, NULL=0, NULL=-6, NULL=0, NULL=-16, NULL=-4, NULL=0, NULL=-13, NULL=-14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L577] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L653] int retValue_acc ; [L654] int tmp ; [L568] int retValue_acc ; [L571] retValue_acc = 1 [L572] return (retValue_acc); [L660] tmp = valid_product() [L662] COND TRUE \read(tmp) [L847] int splverifierCounter ; [L848] int tmp ; [L849] int tmp___0 ; [L850] int tmp___1 ; [L851] int tmp___2 ; [L854] splverifierCounter = 0 Loop: [L856] COND TRUE 1 [L858] COND TRUE splverifierCounter < 4 [L864] tmp = __VERIFIER_nondet_int() [L866] COND FALSE !(\read(tmp)) [L874] tmp___0 = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp___0)) [L884] tmp___2 = __VERIFIER_nondet_int() [L886] COND TRUE \read(tmp___2) [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...