./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/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 edf277e8e45bc51905c3746c53b47e5f504df38a .................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:52,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:52,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:52,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:52,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:52,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:52,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:52,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:52,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:52,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:52,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:52,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:52,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:52,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:52,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:52,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:52,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:52,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:52,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:52,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:52,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:52,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:52,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:52,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:52,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:52,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:52,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:52,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:52,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:52,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:52,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:52,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:52,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:52,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:52,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:52,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:52,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:52,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:52,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:52,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:52,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:52,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:52,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:52,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:52,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:52,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:52,139 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:52,139 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:52,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:52,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:52,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:52,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:52,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:52,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:52,143 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:52,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:52,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:52,143 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:52,144 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:52,144 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-10-22 09:01:52,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:52,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:52,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:52,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:52,192 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:52,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-10-22 09:01:52,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/data/dcac65612/876073bca3744d5a9f560c0199884468/FLAGa0065db2e [2019-10-22 09:01:52,708 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:52,709 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-10-22 09:01:52,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/data/dcac65612/876073bca3744d5a9f560c0199884468/FLAGa0065db2e [2019-10-22 09:01:53,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/data/dcac65612/876073bca3744d5a9f560c0199884468 [2019-10-22 09:01:53,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:53,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:53,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:53,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:53,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:53,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ffc131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53, skipping insertion in model container [2019-10-22 09:01:53,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,239 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:53,289 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:53,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:53,649 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:53,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:53,772 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:53,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53 WrapperNode [2019-10-22 09:01:53,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:53,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:53,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:53,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:53,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:53,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:53,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:53,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:53,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... [2019-10-22 09:01:53,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:53,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:53,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:53,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:53,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:54,799 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:54,799 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-10-22 09:01:54,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54 BoogieIcfgContainer [2019-10-22 09:01:54,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:54,801 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:54,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:54,805 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:54,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:53" (1/3) ... [2019-10-22 09:01:54,807 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f9b3f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:54, skipping insertion in model container [2019-10-22 09:01:54,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:53" (2/3) ... [2019-10-22 09:01:54,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f9b3f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:54, skipping insertion in model container [2019-10-22 09:01:54,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:54,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54" (3/3) ... [2019-10-22 09:01:54,810 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-22 09:01:54,860 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:54,861 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:54,861 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:54,861 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:54,861 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:54,861 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:54,861 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:54,862 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:54,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-10-22 09:01:54,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-10-22 09:01:54,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,930 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,930 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,930 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:54,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-10-22 09:01:54,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-10-22 09:01:54,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:54,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:54,937 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,937 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:54,942 INFO L791 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 24#L-1true havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 57#L94true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 62#L102true main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 52#L846true assume 0 != main_~tmp~10; 79#L823true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L51-1true [2019-10-22 09:01:54,943 INFO L793 eck$LassoCheckResult]: Loop: 14#L51-1true assume !false; 55#L488true assume test_~splverifierCounter~0 < 4; 123#L489true test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 31#L497true assume !(0 != test_~tmp~4); 34#L497-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 58#L507true assume !(0 != test_~tmp___0~1); 59#L507-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 113#L517true assume 0 != test_~tmp___2~0; 67#L523-2true assume !(0 != ~pumpRunning~0); 80#L556true assume !(0 != ~systemActive~0); 27#L563true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 50#L904-2true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 19#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 14#L51-1true [2019-10-22 09:01:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:54,948 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:01:54,957 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:54,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967220107] [2019-10-22 09:01:54,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,958 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:54,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,816 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:55,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:55,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1679097918, now seen corresponding path program 1 times [2019-10-22 09:01:55,818 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:55,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057726933] [2019-10-22 09:01:55,818 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:55,819 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:55,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:55,832 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:55,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:55,834 INFO L82 PathProgramCache]: Analyzing trace with hash 35181020, now seen corresponding path program 1 times [2019-10-22 09:01:55,834 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:55,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990497709] [2019-10-22 09:01:55,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:55,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:55,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:55,990 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990497709] [2019-10-22 09:01:55,990 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:55,991 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:55,992 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126170570] [2019-10-22 09:01:56,077 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:56,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:56,090 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2019-10-22 09:01:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:56,217 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions. [2019-10-22 09:01:56,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:56,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 187 transitions. [2019-10-22 09:01:56,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-10-22 09:01:56,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2019-10-22 09:01:56,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-10-22 09:01:56,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-10-22 09:01:56,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2019-10-22 09:01:56,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:56,239 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 09:01:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2019-10-22 09:01:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-22 09:01:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-22 09:01:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-10-22 09:01:56,278 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 09:01:56,278 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-10-22 09:01:56,278 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:56,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2019-10-22 09:01:56,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-10-22 09:01:56,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:56,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:56,281 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:56,281 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:56,282 INFO L791 eck$LassoCheckResult]: Stem: 384#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 321#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 322#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 350#L102 main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 346#L846 assume 0 != main_~tmp~10; 347#L823 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 304#L51-1 [2019-10-22 09:01:56,286 INFO L793 eck$LassoCheckResult]: Loop: 304#L51-1 assume !false; 305#L488 assume test_~splverifierCounter~0 < 4; 349#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 328#L497 assume !(0 != test_~tmp~4); 330#L497-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 334#L507 assume !(0 != test_~tmp___0~1); 351#L507-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 353#L517 assume 0 != test_~tmp___2~0; 361#L523-2 assume !(0 != ~pumpRunning~0); 362#L556 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 366#L614 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 308#L588-1 assume !(0 == ~pumpRunning~0); 301#L563 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 324#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 313#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 304#L51-1 [2019-10-22 09:01:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:56,287 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:01:56,287 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:56,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63032336] [2019-10-22 09:01:56,287 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,288 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:56,711 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:56,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:56,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1986081045, now seen corresponding path program 1 times [2019-10-22 09:01:56,712 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:56,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561935471] [2019-10-22 09:01:56,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:56,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561935471] [2019-10-22 09:01:56,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:56,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:56,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652846898] [2019-10-22 09:01:56,728 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:01:56,728 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:56,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:56,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:56,729 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-10-22 09:01:56,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:56,853 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2019-10-22 09:01:56,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:56,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2019-10-22 09:01:56,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-10-22 09:01:56,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2019-10-22 09:01:56,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-10-22 09:01:56,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-10-22 09:01:56,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2019-10-22 09:01:56,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:56,863 INFO L688 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 09:01:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2019-10-22 09:01:56,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-10-22 09:01:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-10-22 09:01:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2019-10-22 09:01:56,873 INFO L711 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 09:01:56,874 INFO L591 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-10-22 09:01:56,874 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:01:56,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2019-10-22 09:01:56,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-10-22 09:01:56,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:56,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:56,879 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:56,879 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:56,880 INFO L791 eck$LassoCheckResult]: Stem: 687#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 619#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 620#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 650#L102 main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 646#L846 assume 0 != main_~tmp~10; 647#L823 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 602#L51-1 [2019-10-22 09:01:56,880 INFO L793 eck$LassoCheckResult]: Loop: 602#L51-1 assume !false; 603#L488 assume test_~splverifierCounter~0 < 4; 649#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 631#L497 assume !(0 != test_~tmp~4); 633#L497-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 634#L507 assume !(0 != test_~tmp___0~1); 651#L507-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 653#L517 assume 0 != test_~tmp___2~0; 661#L523-2 assume !(0 != ~pumpRunning~0); 662#L556 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 666#L614 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 606#L588-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 607#L944-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 690#L949-1 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 698#L734-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 705#L734-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 692#L740-1 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 670#L592-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 623#L563 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 624#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 611#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 602#L51-1 [2019-10-22 09:01:56,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:56,880 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-10-22 09:01:56,880 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:56,881 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890818479] [2019-10-22 09:01:56,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,881 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:56,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,166 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:57,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1392929207, now seen corresponding path program 1 times [2019-10-22 09:01:57,166 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:57,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786306836] [2019-10-22 09:01:57,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,167 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,177 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1849000401, now seen corresponding path program 1 times [2019-10-22 09:01:57,178 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:57,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596717477] [2019-10-22 09:01:57,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,178 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:57,511 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:57,639 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-10-22 09:02:15,548 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:02:27,943 WARN L191 SmtUtils]: Spent 12.39 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:02:28,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:28 BoogieIcfgContainer [2019-10-22 09:02:28,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:28,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:28,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:28,035 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:28,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:54" (3/4) ... [2019-10-22 09:02:28,041 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:02:28,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_778e19e4-1264-4807-aad8-ac6d28802c84/bin/uautomizer/witness.graphml [2019-10-22 09:02:28,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:28,115 INFO L168 Benchmark]: Toolchain (without parser) took 34894.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.2 MB). Free memory was 937.8 MB in the beginning and 1.0 GB in the end (delta: -106.1 MB). Peak memory consumption was 136.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,116 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:28,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,117 INFO L168 Benchmark]: Boogie Preprocessor took 67.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:28,117 INFO L168 Benchmark]: RCFGBuilder took 849.97 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,118 INFO L168 Benchmark]: BuchiAutomizer took 33233.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 290.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,119 INFO L168 Benchmark]: Witness Printer took 78.85 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:28,121 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 849.97 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33233.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 290.1 MB. Max. memory is 11.5 GB. * Witness Printer took 78.85 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 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 6 locations. The remainder module has 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 32.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 347 SDtfs, 855 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 487]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13822} State at position 1 is {NULL=0, NULL=0, NULL=-14, NULL=13822, NULL=0, retValue_acc=0, NULL=-20, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, NULL=-2, NULL=0, NULL=7688, retValue_acc=0, tmp___1=0, NULL=-4, tmp___0=0, cleanupTimeShifts=4, NULL=-9, NULL=-21, NULL=-5, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c8d70eb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37488009=0, tmp=0, tmp=1, NULL=-7, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f176f3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bf4d00c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f603375=54, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62b0cbf5=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47f67afd=0, NULL=0, \result=0, NULL=-3, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-13, NULL=-10, \result=0, NULL=-6, NULL=13821, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334d78c=0, NULL=-16, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c31aade=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-12, tmp=0, \result=1, NULL=-17, NULL=-8, NULL=0, NULL=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=54, NULL=-23, tmp___0=0, NULL=-1, splverifierCounter=0, NULL=0, \result=0, NULL=-19, NULL=-11, head=0, NULL=0, NULL=-18, NULL=0, tmp=0, NULL=-22, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ecb1cbd=0, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L276] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L549] int pumpRunning = 0; [L550] int systemActive = 1; [L764] int cleanupTimeShifts = 4; [L861] int waterLevel = 1; [L862] int methaneLevelCritical = 0; [L837] int retValue_acc ; [L838] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L478] int splverifierCounter ; [L479] int tmp ; [L480] int tmp___0 ; [L481] int tmp___1 ; [L482] int tmp___2 ; [L485] splverifierCounter = 0 Loop: [L487] COND TRUE 1 [L489] COND TRUE splverifierCounter < 4 [L495] tmp = __VERIFIER_nondet_int() [L497] COND FALSE !(\read(tmp)) [L505] tmp___0 = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp___0)) [L515] tmp___2 = __VERIFIER_nondet_int() [L517] COND TRUE \read(tmp___2) [L556] COND FALSE !(\read(pumpRunning)) [L563] COND TRUE \read(systemActive) [L611] int tmp ; [L614] COND FALSE !(\read(pumpRunning)) [L585] int tmp ; [L588] COND TRUE ! pumpRunning [L726] int retValue_acc ; [L727] int tmp ; [L728] int tmp___0 ; [L941] int retValue_acc ; [L944] COND TRUE waterLevel < 2 [L945] retValue_acc = 1 [L946] return (retValue_acc); [L732] tmp = isHighWaterSensorDry() [L734] COND TRUE \read(tmp) [L735] tmp___0 = 0 [L739] retValue_acc = tmp___0 [L740] return (retValue_acc); [L590] tmp = isHighWaterLevel() [L592] COND FALSE !(\read(tmp)) [L44] int tmp ; [L45] int tmp___0 ; [L900] int retValue_acc ; [L903] retValue_acc = methaneLevelCritical [L904] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...