./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.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_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/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 5f4b0de905917a1846797fc2994ae6377b8a6114 ................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:09:23,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:09:23,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:09:23,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:09:23,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:09:23,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:09:23,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:09:23,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:09:23,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:09:23,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:09:23,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:09:23,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:09:23,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:09:23,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:09:23,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:09:23,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:09:23,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:09:23,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:09:23,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:09:23,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:09:23,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:09:23,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:09:23,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:09:23,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:09:23,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:09:23,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:09:23,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:09:23,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:09:23,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:09:23,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:09:23,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:09:23,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:09:23,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:09:23,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:09:23,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:09:23,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:09:23,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:09:23,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:09:23,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:09:23,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:09:23,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:09:23,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:09:23,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:09:23,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:09:23,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:09:23,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:09:23,927 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:09:23,927 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:09:23,928 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:09:23,928 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:09:23,928 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:09:23,928 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:09:23,928 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:09:23,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:09:23,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:09:23,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:09:23,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:09:23,931 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:09:23,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:09:23,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:09:23,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:09:23,931 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:09:23,932 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:09:23,932 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_b0e85c80-de67-45c5-9aae-c8c23583d212/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2019-12-07 10:09:24,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:09:24,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:09:24,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:09:24,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:09:24,038 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:09:24,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2019-12-07 10:09:24,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/data/ace918f35/697f76184ec54d0582acfd269b13e30a/FLAG363cf9530 [2019-12-07 10:09:24,418 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:09:24,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2019-12-07 10:09:24,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/data/ace918f35/697f76184ec54d0582acfd269b13e30a/FLAG363cf9530 [2019-12-07 10:09:24,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/data/ace918f35/697f76184ec54d0582acfd269b13e30a [2019-12-07 10:09:24,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:09:24,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:09:24,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:09:24,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:09:24,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:09:24,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,443 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 10:09:24, skipping insertion in model container [2019-12-07 10:09:24,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:09:24,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:09:24,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:09:24,739 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:09:24,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:09:24,830 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:09:24,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24 WrapperNode [2019-12-07 10:09:24,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:09:24,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:09:24,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:09:24,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:09:24,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:09:24,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:09:24,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:09:24,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:09:24,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... [2019-12-07 10:09:24,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:09:24,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:09:24,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:09:24,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:09:24,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/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 10:09:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:09:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:09:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:09:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:09:25,472 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:09:25,472 INFO L287 CfgBuilder]: Removed 280 assume(true) statements. [2019-12-07 10:09:25,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:25 BoogieIcfgContainer [2019-12-07 10:09:25,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:09:25,474 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:09:25,474 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:09:25,476 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:09:25,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:25,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:09:24" (1/3) ... [2019-12-07 10:09:25,477 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca9cb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:25, skipping insertion in model container [2019-12-07 10:09:25,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:25,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:09:24" (2/3) ... [2019-12-07 10:09:25,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca9cb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:09:25, skipping insertion in model container [2019-12-07 10:09:25,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:09:25,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:25" (3/3) ... [2019-12-07 10:09:25,480 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-12-07 10:09:25,509 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:09:25,509 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:09:25,509 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:09:25,509 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:09:25,509 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:09:25,509 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:09:25,509 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:09:25,509 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:09:25,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2019-12-07 10:09:25,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-12-07 10:09:25,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:25,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:25,553 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,553 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,553 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:09:25,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states. [2019-12-07 10:09:25,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-12-07 10:09:25,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:25,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:25,561 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,561 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,565 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);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(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 14#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 153#L985true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 175#L993true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 152#L132true assume 0 != main_~tmp~0; 38#L103true ~methAndRunningLastTime~0 := 0; 67#L155true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 65#L166-1true [2019-12-07 10:09:25,565 INFO L796 eck$LassoCheckResult]: Loop: 65#L166-1true assume !false; 9#L566true assume test_~splverifierCounter~0 < 4; 145#L567true test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 161#L575true assume !(0 != test_~tmp~5); 149#L575-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 16#L585true assume !(0 != test_~tmp___0~1); 20#L585-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 117#L595true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 126#L603-2true assume !(0 != ~pumpRunning~0); 189#L635true assume !(0 != ~systemActive~0); 105#L642true havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 138#L903-1true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 69#L166true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 65#L166-1true [2019-12-07 10:09:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:25,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 10:09:25,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:25,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087277088] [2019-12-07 10:09:25,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:25,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:25,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:25,801 INFO L82 PathProgramCache]: Analyzing trace with hash 8756043, now seen corresponding path program 1 times [2019-12-07 10:09:25,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:25,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235956921] [2019-12-07 10:09:25,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:25,834 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 10:09:25,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235956921] [2019-12-07 10:09:25,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:09:25,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:09:25,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311336972] [2019-12-07 10:09:25,839 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:09:25,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:09:25,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:09:25,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:09:25,851 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2019-12-07 10:09:25,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:09:25,886 INFO L93 Difference]: Finished difference Result 190 states and 282 transitions. [2019-12-07 10:09:25,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:09:25,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 282 transitions. [2019-12-07 10:09:25,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-12-07 10:09:25,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 183 states and 274 transitions. [2019-12-07 10:09:25,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2019-12-07 10:09:25,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2019-12-07 10:09:25,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 274 transitions. [2019-12-07 10:09:25,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:09:25,899 INFO L688 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2019-12-07 10:09:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 274 transitions. [2019-12-07 10:09:25,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2019-12-07 10:09:25,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-12-07 10:09:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 274 transitions. [2019-12-07 10:09:25,925 INFO L711 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2019-12-07 10:09:25,925 INFO L591 BuchiCegarLoop]: Abstraction has 183 states and 274 transitions. [2019-12-07 10:09:25,925 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:09:25,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 274 transitions. [2019-12-07 10:09:25,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-12-07 10:09:25,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:25,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:25,928 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,928 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:25,928 INFO L794 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);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(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 413#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 414#L985 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 566#L993 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 565#L132 assume 0 != main_~tmp~0; 453#L103 ~methAndRunningLastTime~0 := 0; 454#L155 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 491#L166-1 [2019-12-07 10:09:25,928 INFO L796 eck$LassoCheckResult]: Loop: 491#L166-1 assume !false; 401#L566 assume test_~splverifierCounter~0 < 4; 402#L567 test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 563#L575 assume !(0 != test_~tmp~5); 562#L575-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 417#L585 assume !(0 != test_~tmp___0~1); 419#L585-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 423#L595 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 543#L603-2 assume !(0 != ~pumpRunning~0); 396#L635 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 551#L719 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~7;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7; 552#L693-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 492#L667-3 assume !(0 == ~pumpRunning~0); 486#L642 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 533#L903-1 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 495#L166 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 491#L166-1 [2019-12-07 10:09:25,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:25,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 10:09:25,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:25,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712493953] [2019-12-07 10:09:25,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:25,995 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:25,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:25,995 INFO L82 PathProgramCache]: Analyzing trace with hash 761854716, now seen corresponding path program 1 times [2019-12-07 10:09:25,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:25,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155185460] [2019-12-07 10:09:25,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:09:26,005 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 10:09:26,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155185460] [2019-12-07 10:09:26,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:09:26,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:09:26,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860763358] [2019-12-07 10:09:26,006 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:09:26,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:09:26,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:09:26,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:09:26,006 INFO L87 Difference]: Start difference. First operand 183 states and 274 transitions. cyclomatic complexity: 93 Second operand 3 states. [2019-12-07 10:09:26,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:09:26,089 INFO L93 Difference]: Finished difference Result 191 states and 268 transitions. [2019-12-07 10:09:26,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:09:26,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 268 transitions. [2019-12-07 10:09:26,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2019-12-07 10:09:26,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 191 states and 268 transitions. [2019-12-07 10:09:26,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 191 [2019-12-07 10:09:26,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191 [2019-12-07 10:09:26,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 268 transitions. [2019-12-07 10:09:26,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:09:26,096 INFO L688 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2019-12-07 10:09:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 268 transitions. [2019-12-07 10:09:26,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-07 10:09:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 10:09:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 268 transitions. [2019-12-07 10:09:26,103 INFO L711 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2019-12-07 10:09:26,103 INFO L591 BuchiCegarLoop]: Abstraction has 191 states and 268 transitions. [2019-12-07 10:09:26,103 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:09:26,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 268 transitions. [2019-12-07 10:09:26,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2019-12-07 10:09:26,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:09:26,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:09:26,105 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:26,105 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:09:26,106 INFO L794 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);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(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 786#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 787#L985 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 915#L993 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 914#L132 assume 0 != main_~tmp~0; 822#L103 ~methAndRunningLastTime~0 := 0; 823#L155 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 846#L166-1 [2019-12-07 10:09:26,106 INFO L796 eck$LassoCheckResult]: Loop: 846#L166-1 assume !false; 777#L566 assume test_~splverifierCounter~0 < 4; 778#L567 test_~tmp~5 := test_#t~nondet38;havoc test_#t~nondet38; 959#L575 assume !(0 != test_~tmp~5); 957#L575-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 956#L585 assume !(0 != test_~tmp___0~1); 798#L585-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 799#L595 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 892#L603-2 assume !(0 != ~pumpRunning~0); 901#L635 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 899#L719 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~7;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7; 900#L693-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 849#L667-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 775#L943-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 776#L948-3 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 838#L821-9 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 853#L821-11 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 814#L827-3 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 815#L671-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 876#L642 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 881#L903-1 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 850#L166 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 846#L166-1 [2019-12-07 10:09:26,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:26,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-12-07 10:09:26,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:26,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392725939] [2019-12-07 10:09:26,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:26,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:26,160 INFO L82 PathProgramCache]: Analyzing trace with hash 855373672, now seen corresponding path program 1 times [2019-12-07 10:09:26,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:26,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151952761] [2019-12-07 10:09:26,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,170 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:26,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:09:26,170 INFO L82 PathProgramCache]: Analyzing trace with hash -11810770, now seen corresponding path program 1 times [2019-12-07 10:09:26,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:09:26,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255673832] [2019-12-07 10:09:26,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:09:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:09:26,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:09:47,065 WARN L192 SmtUtils]: Spent 20.70 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 10:09:58,864 WARN L192 SmtUtils]: Spent 11.79 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 10:09:58,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:09:58 BoogieIcfgContainer [2019-12-07 10:09:58,916 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:09:58,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:09:58,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:09:58,917 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:09:58,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:09:25" (3/4) ... [2019-12-07 10:09:58,919 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 10:09:58,957 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b0e85c80-de67-45c5-9aae-c8c23583d212/bin/uautomizer/witness.graphml [2019-12-07 10:09:58,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:09:58,958 INFO L168 Benchmark]: Toolchain (without parser) took 34519.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 944.7 MB in the beginning and 979.6 MB in the end (delta: -34.9 MB). Peak memory consumption was 114.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,958 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:09:58,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.32 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 10:09:58,959 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,959 INFO L168 Benchmark]: RCFGBuilder took 544.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,960 INFO L168 Benchmark]: BuchiAutomizer took 33442.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 981.0 MB in the beginning and 988.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 211.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,960 INFO L168 Benchmark]: Witness Printer took 40.20 ms. Allocated memory is still 1.2 GB. Free memory was 988.7 MB in the beginning and 979.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:09:58,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.32 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 38.17 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 544.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33442.64 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 981.0 MB in the beginning and 988.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 211.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.20 ms. Allocated memory is still 1.2 GB. Free memory was 988.7 MB in the beginning and 979.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 33.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 191 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 485 SDtfs, 418 SDslu, 81 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4905} State at position 1 is {NULL=0, NULL=0, NULL=28241, retValue_acc=0, NULL=4905, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72a87fef=0, NULL=28233, NULL=0, retValue_acc=1, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, NULL=0, tmp=0, NULL=9496, NULL=0, tmp___1=0, retValue_acc=0, NULL=28230, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41d27441=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eafcfc0=0, cleanupTimeShifts=4, NULL=6547, NULL=28228, NULL=12871, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@506bc6aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10e01198=0, tmp=0, NULL=6548, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d8b610b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72a282a3=47, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10dd06bb=0, systemActive=1, waterLevel=1, NULL=28234, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@136d1de4=0, retValue_acc=0, NULL=0, \result=0, NULL=12873, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=6549, NULL=28238, \result=0, NULL=4907, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fd8e8d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@414ce397=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=12872, \result=1, tmp___0=0, NULL=28236, NULL=28235, NULL=28231, NULL=0, NULL=0, tmp___2=47, NULL=22320, tmp___0=0, NULL=28232, retValue_acc=1, splverifierCounter=0, NULL=0, tmp=1, methAndRunningLastTime=0, \result=0, NULL=28240, NULL=28239, head=0, NULL=0, NULL=12874, NULL=0, NULL=28237, tmp=0, NULL=0, tmp=0, NULL=0, NULL=4906, NULL=28229} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L149] int methAndRunningLastTime ; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L628] int pumpRunning = 0; [L629] int systemActive = 1; [L860] int waterLevel = 1; [L861] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L989] int retValue_acc ; [L992] retValue_acc = 1 [L993] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L154] methAndRunningLastTime = 0 [L556] int splverifierCounter ; [L557] int tmp ; [L558] int tmp___0 ; [L559] int tmp___1 ; [L560] int tmp___2 ; [L563] splverifierCounter = 0 Loop: [L565] COND TRUE 1 [L567] COND TRUE splverifierCounter < 4 [L573] tmp = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp)) [L583] tmp___0 = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp___0)) [L593] tmp___2 = __VERIFIER_nondet_int() [L595] COND TRUE \read(tmp___2) [L854] systemActive = 1 [L635] COND FALSE !(\read(pumpRunning)) [L642] COND TRUE \read(systemActive) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L664] int tmp ; [L667] COND TRUE ! pumpRunning [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L940] int retValue_acc ; [L943] COND TRUE waterLevel < 2 [L944] retValue_acc = 1 [L945] return (retValue_acc); [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L669] tmp = isHighWaterLevel() [L671] COND FALSE !(\read(tmp)) [L159] int tmp ; [L160] int tmp___0 ; [L899] int retValue_acc ; [L902] retValue_acc = methaneLevelCritical [L903] return (retValue_acc); [L164] tmp = isMethaneLevelCritical() [L166] COND FALSE !(\read(tmp)) [L182] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...