./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/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 84841b0b7c643c254d02f565fa50ff7ee5853434 .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:52:54,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:52:54,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:52:54,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:52:54,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:52:54,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:52:54,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:52:54,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:52:54,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:52:54,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:52:54,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:52:54,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:52:54,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:52:54,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:52:54,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:52:54,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:52:54,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:52:54,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:52:54,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:52:54,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:52:54,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:52:54,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:52:54,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:52:54,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:52:54,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:52:54,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:52:54,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:52:54,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:52:54,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:52:54,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:52:54,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:52:54,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:52:54,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:52:54,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:52:54,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:52:54,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:52:54,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:52:54,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:52:54,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:52:54,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:52:54,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:52:54,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 15:52:54,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:52:54,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:52:54,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:52:54,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:52:54,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:52:54,915 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:52:54,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:52:54,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:52:54,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:52:54,917 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:52:54,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:52:54,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:52:54,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:52:54,918 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:52:54,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:52:54,919 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-12-07 15:52:55,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:52:55,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:52:55,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:52:55,030 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:52:55,030 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:52:55,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-12-07 15:52:55,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/data/c8633e0d9/6f7e628ed26246f089fbc013835cbde4/FLAGbd74bb4f2 [2019-12-07 15:52:55,567 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:52:55,568 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-12-07 15:52:55,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/data/c8633e0d9/6f7e628ed26246f089fbc013835cbde4/FLAGbd74bb4f2 [2019-12-07 15:52:55,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/data/c8633e0d9/6f7e628ed26246f089fbc013835cbde4 [2019-12-07 15:52:55,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:52:55,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:52:55,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:55,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:52:55,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:52:55,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b211215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55, skipping insertion in model container [2019-12-07 15:52:55,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:52:55,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:52:55,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:55,852 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:52:55,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:52:55,915 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:52:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55 WrapperNode [2019-12-07 15:52:55,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:52:55,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:52:55,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:52:55,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:52:55,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:52:55,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:52:55,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:52:55,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:52:55,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... [2019-12-07 15:52:55,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:52:55,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:52:55,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:52:55,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:52:55,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:52:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:52:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:52:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:52:56,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:52:56,366 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:52:56,366 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 15:52:56,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:56 BoogieIcfgContainer [2019-12-07 15:52:56,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:52:56,368 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:52:56,368 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:52:56,370 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:52:56,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:52:56,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:52:55" (1/3) ... [2019-12-07 15:52:56,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13af84d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:52:56, skipping insertion in model container [2019-12-07 15:52:56,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:52:56,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:52:55" (2/3) ... [2019-12-07 15:52:56,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13af84d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:52:56, skipping insertion in model container [2019-12-07 15:52:56,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:52:56,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:56" (3/3) ... [2019-12-07 15:52:56,373 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2019-12-07 15:52:56,401 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:52:56,401 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:52:56,401 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:52:56,401 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:52:56,401 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:52:56,402 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:52:56,402 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:52:56,402 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:52:56,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-12-07 15:52:56,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-12-07 15:52:56,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:52:56,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:52:56,435 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,435 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,435 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:52:56,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-12-07 15:52:56,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-12-07 15:52:56,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:52:56,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:52:56,440 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,440 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,443 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 7#L833true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 15#L841true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 10#L928true assume 0 != main_~tmp~8; 62#L905true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L790-1true [2019-12-07 15:52:56,444 INFO L796 eck$LassoCheckResult]: Loop: 37#L790-1true assume !false; 4#L526true assume test_~splverifierCounter~0 < 4; 51#L527true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 58#L535true assume !(0 != test_~tmp~3); 60#L535-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 33#L545true assume !(0 != test_~tmp___0~0); 36#L545-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 9#L555true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L563-1true assume !(0 != ~pumpRunning~0); 14#L596true assume !(0 != ~systemActive~0); 27#L603true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 45#L465true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 34#L790true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 37#L790-1true [2019-12-07 15:52:56,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:56,448 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 15:52:56,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:56,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060471241] [2019-12-07 15:52:56,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:52:56,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:56,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-12-07 15:52:56,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:56,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126066923] [2019-12-07 15:52:56,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:52:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:52:56,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126066923] [2019-12-07 15:52:56,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:52:56,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:52:56,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025977565] [2019-12-07 15:52:56,689 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 15:52:56,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:52:56,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:52:56,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:52:56,700 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-12-07 15:52:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:52:56,739 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-12-07 15:52:56,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:52:56,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-12-07 15:52:56,745 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-12-07 15:52:56,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-12-07 15:52:56,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-12-07 15:52:56,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-12-07 15:52:56,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-12-07 15:52:56,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:52:56,752 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-12-07 15:52:56,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-12-07 15:52:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-12-07 15:52:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-12-07 15:52:56,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-12-07 15:52:56,777 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-12-07 15:52:56,777 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-12-07 15:52:56,777 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:52:56,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-12-07 15:52:56,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-12-07 15:52:56,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:52:56,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:52:56,780 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,780 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:52:56,780 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 242#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 234#L833 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 235#L841 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 240#L928 assume 0 != main_~tmp~8; 241#L905 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 272#L790-1 [2019-12-07 15:52:56,780 INFO L796 eck$LassoCheckResult]: Loop: 272#L790-1 assume !false; 311#L526 assume test_~splverifierCounter~0 < 4; 312#L527 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 296#L535 assume !(0 != test_~tmp~3); 293#L535-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 267#L545 assume !(0 != test_~tmp___0~0); 268#L545-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 320#L555 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 238#L563-1 assume !(0 != ~pumpRunning~0); 246#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 247#L628 assume !(0 != ~pumpRunning~0); 231#L603 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 263#L465 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 270#L790 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 272#L790-1 [2019-12-07 15:52:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 15:52:56,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:56,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872468675] [2019-12-07 15:52:56,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:52:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-12-07 15:52:56,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:56,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243281411] [2019-12-07 15:52:56,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,856 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:52:56,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:52:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-12-07 15:52:56,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:52:56,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028828755] [2019-12-07 15:52:56,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:52:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:52:56,912 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:53:21,701 WARN L192 SmtUtils]: Spent 24.72 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 15:53:34,001 WARN L192 SmtUtils]: Spent 12.30 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 15:53:34,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:53:34 BoogieIcfgContainer [2019-12-07 15:53:34,061 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:53:34,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:53:34,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:53:34,062 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:53:34,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:52:56" (3/4) ... [2019-12-07 15:53:34,064 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 15:53:34,098 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef36eb46-6571-4527-93f4-f5388cf86e53/bin/uautomizer/witness.graphml [2019-12-07 15:53:34,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:53:34,099 INFO L168 Benchmark]: Toolchain (without parser) took 38510.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:34,099 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:34,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:34,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:34,100 INFO L168 Benchmark]: Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:53:34,100 INFO L168 Benchmark]: RCFGBuilder took 388.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:34,101 INFO L168 Benchmark]: BuchiAutomizer took 37693.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:34,101 INFO L168 Benchmark]: Witness Printer took 36.42 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:53:34,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 388.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37693.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -77.2 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. * Witness Printer took 36.42 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 37.5s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 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: 525]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8011} State at position 1 is {NULL=0, NULL=15946, NULL=0, NULL=8011, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6980b6e1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56bc51a8=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a09e1d=0, NULL=0, NULL=8012, NULL=8034, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@434f8fac=0, NULL=0, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=8016, NULL=15947, tmp___0=0, NULL=8033, NULL=8018, NULL=8036, cleanupTimeShifts=4, NULL=8035, NULL=8037, NULL=8027, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45208973=0, NULL=8013, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=8030, head=0, pumpRunning=0, NULL=8039, \result=0, NULL=8031, tmp=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24a19142=0, NULL=0, NULL=8032, NULL=8015, NULL=8028, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bb6fb42=0, tmp___2=66, NULL=8014, splverifierCounter=0, NULL=0, \result=0, NULL=8026, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dcd3e26=0, tmp=0, NULL=0, NULL=8019, NULL=8017, NULL=0, NULL=8038, NULL=0, NULL=0, NULL=20398, NULL=8029} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L846] int cleanupTimeShifts = 4; [L919] int retValue_acc ; [L920] int tmp ; [L837] int retValue_acc ; [L840] retValue_acc = 1 [L841] return (retValue_acc); [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L777] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L783] int tmp ; [L784] int tmp___0 ; [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L788] tmp = isMethaneLevelCritical() [L790] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...