./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/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 c2f9784df079971d2fa63dfc5afae04355191e29 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 15:23:41,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:23:41,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:23:41,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:23:41,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:23:41,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:23:41,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:23:41,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:23:41,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:23:41,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:23:41,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:23:41,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:23:41,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:23:41,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:23:41,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:23:41,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:23:41,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:23:41,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:23:41,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:23:41,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:23:41,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:23:41,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:23:41,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:23:41,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:23:41,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:23:41,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:23:41,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:23:41,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:23:41,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:23:41,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:23:41,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:23:41,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:23:41,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:23:41,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:23:41,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:23:41,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:23:41,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:23:41,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:23:41,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:23:41,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:23:41,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:23:41,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 15:23:41,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:23:41,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:23:41,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:23:41,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:23:41,922 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:23:41,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:23:41,923 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:23:41,923 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:23:41,923 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:23:41,923 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:23:41,925 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:23:41,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:23:41,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:23:41,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:23:41,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:23:41,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:23:41,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:23:41,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:23:41,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:23:41,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:23:41,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:23:41,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:23:41,928 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:23:41,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:23:41,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:23:41,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:23:41,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:23:41,930 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:23:41,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:23:41,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:23:41,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:23:41,931 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:23:41,933 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:23:41,933 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2f9784df079971d2fa63dfc5afae04355191e29 [2020-12-01 15:23:42,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:23:42,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:23:42,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:23:42,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:23:42,327 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:23:42,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2020-12-01 15:23:42,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/data/145419ca5/3a6c943f32d543a4bb13cbce716ffac3/FLAG657fc0836 [2020-12-01 15:23:43,002 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:23:43,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2020-12-01 15:23:43,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/data/145419ca5/3a6c943f32d543a4bb13cbce716ffac3/FLAG657fc0836 [2020-12-01 15:23:43,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/data/145419ca5/3a6c943f32d543a4bb13cbce716ffac3 [2020-12-01 15:23:43,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:23:43,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:23:43,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:23:43,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:23:43,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:23:43,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:23:43" (1/1) ... [2020-12-01 15:23:43,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413daccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:43, skipping insertion in model container [2020-12-01 15:23:43,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:23:43" (1/1) ... [2020-12-01 15:23:43,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:23:43,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:23:43,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:23:43,879 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:23:43,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:23:44,069 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:23:44,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44 WrapperNode [2020-12-01 15:23:44,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:23:44,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:23:44,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:23:44,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:23:44,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:23:44,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:23:44,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:23:44,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:23:44,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... [2020-12-01 15:23:44,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:23:44,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:23:44,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:23:44,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:23:44,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/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 [2020-12-01 15:23:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:23:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:23:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:23:44,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:23:46,413 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:23:46,416 INFO L298 CfgBuilder]: Removed 354 assume(true) statements. [2020-12-01 15:23:46,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:46 BoogieIcfgContainer [2020-12-01 15:23:46,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:23:46,421 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:23:46,421 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:23:46,425 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:23:46,426 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:23:46,426 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:23:43" (1/3) ... [2020-12-01 15:23:46,427 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fb38f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:23:46, skipping insertion in model container [2020-12-01 15:23:46,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:23:46,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:23:44" (2/3) ... [2020-12-01 15:23:46,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fb38f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:23:46, skipping insertion in model container [2020-12-01 15:23:46,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:23:46,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:46" (3/3) ... [2020-12-01 15:23:46,432 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-12-01 15:23:46,483 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:23:46,484 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:23:46,484 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:23:46,484 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:23:46,484 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:23:46,484 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:23:46,484 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:23:46,485 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:23:46,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states. [2020-12-01 15:23:46,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2020-12-01 15:23:46,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:23:46,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:23:46,558 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:23:46,558 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:23:46,558 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:23:46,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states. [2020-12-01 15:23:46,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2020-12-01 15:23:46,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:23:46,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:23:46,575 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:23:46,575 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:23:46,582 INFO L794 eck$LassoCheckResult]: Stem: 76#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(80, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(117, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(109, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(112, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(110, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 3 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(32, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 172#L67true 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#L75true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 47#L312true assume 0 != main_~tmp~1; 134#L288true havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 72#L209-1true [2020-12-01 15:23:46,582 INFO L796 eck$LassoCheckResult]: Loop: 72#L209-1true assume !false; 161#L579true assume test_~splverifierCounter~0 < 4; 226#L580true test_~tmp~8 := test_#t~nondet44;havoc test_#t~nondet44; 5#L588true assume !(0 != test_~tmp~8); 7#L588-1true test_~tmp___0~3 := test_#t~nondet45;havoc test_#t~nondet45; 60#L598true assume !(0 != test_~tmp___0~3); 61#L598-1true test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 209#L608true assume 0 != test_~tmp___2~0; 195#L614-2true assume !(0 != ~pumpRunning~0); 129#L335true assume !(0 != ~systemActive~0); 182#L342true havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 106#L131-5true __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 74#L209true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 72#L209-1true [2020-12-01 15:23:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:46,590 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-12-01 15:23:46,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:46,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015312805] [2020-12-01 15:23:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:46,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:47,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:47,214 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:47,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:47,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1675126780, now seen corresponding path program 1 times [2020-12-01 15:23:47,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:47,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007994307] [2020-12-01 15:23:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:47,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:47,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:47,239 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:47,241 INFO L82 PathProgramCache]: Analyzing trace with hash 39152158, now seen corresponding path program 1 times [2020-12-01 15:23:47,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:47,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035815995] [2020-12-01 15:23:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:23:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:23:47,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035815995] [2020-12-01 15:23:47,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:23:47,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:23:47,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906597543] [2020-12-01 15:23:47,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:23:47,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:23:47,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:23:47,581 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 6 states. [2020-12-01 15:23:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:23:47,796 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2020-12-01 15:23:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:23:47,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 322 transitions. [2020-12-01 15:23:47,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2020-12-01 15:23:47,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2020-12-01 15:23:47,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2020-12-01 15:23:47,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2020-12-01 15:23:47,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2020-12-01 15:23:47,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:23:47,851 INFO L692 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2020-12-01 15:23:47,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2020-12-01 15:23:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-12-01 15:23:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-12-01 15:23:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2020-12-01 15:23:47,899 INFO L715 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2020-12-01 15:23:47,900 INFO L595 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2020-12-01 15:23:47,900 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:23:47,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2020-12-01 15:23:47,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2020-12-01 15:23:47,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:23:47,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:23:47,905 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:23:47,905 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:23:47,906 INFO L794 eck$LassoCheckResult]: Stem: 584#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(80, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(117, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(109, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(112, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(110, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 3 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(32, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 480#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 481#L67 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; 564#L75 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 541#L312 assume 0 != main_~tmp~1; 542#L288 havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 554#L209-1 [2020-12-01 15:23:47,906 INFO L796 eck$LassoCheckResult]: Loop: 554#L209-1 assume !false; 579#L579 assume test_~splverifierCounter~0 < 4; 669#L580 test_~tmp~8 := test_#t~nondet44;havoc test_#t~nondet44; 469#L588 assume !(0 != test_~tmp~8); 471#L588-1 test_~tmp___0~3 := test_#t~nondet45;havoc test_#t~nondet45; 473#L598 assume !(0 != test_~tmp___0~3); 561#L598-1 test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 563#L608 assume 0 != test_~tmp___2~0; 678#L614-2 assume !(0 != ~pumpRunning~0); 650#L335 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret23, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 651#L419 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret22, processEnvironment__wrappee__methaneQuery_~tmp~3;havoc processEnvironment__wrappee__methaneQuery_~tmp~3; 674#L393-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret21, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 545#L367-3 assume !(0 == ~pumpRunning~0); 539#L342 havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 625#L131-5 __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 580#L209 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 554#L209-1 [2020-12-01 15:23:47,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:47,907 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-12-01 15:23:47,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:47,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789731513] [2020-12-01 15:23:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:47,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,045 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:48,047 INFO L82 PathProgramCache]: Analyzing trace with hash 391395523, now seen corresponding path program 1 times [2020-12-01 15:23:48,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:48,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794987624] [2020-12-01 15:23:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:23:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:23:48,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794987624] [2020-12-01 15:23:48,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:23:48,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:23:48,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035698839] [2020-12-01 15:23:48,065 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:23:48,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:23:48,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:23:48,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:23:48,067 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2020-12-01 15:23:48,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:23:48,238 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2020-12-01 15:23:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:23:48,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2020-12-01 15:23:48,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2020-12-01 15:23:48,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2020-12-01 15:23:48,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2020-12-01 15:23:48,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2020-12-01 15:23:48,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2020-12-01 15:23:48,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:23:48,271 INFO L692 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2020-12-01 15:23:48,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2020-12-01 15:23:48,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2020-12-01 15:23:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-12-01 15:23:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2020-12-01 15:23:48,296 INFO L715 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2020-12-01 15:23:48,296 INFO L595 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2020-12-01 15:23:48,297 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:23:48,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2020-12-01 15:23:48,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2020-12-01 15:23:48,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:23:48,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:23:48,305 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:23:48,305 INFO L854 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] [2020-12-01 15:23:48,305 INFO L794 eck$LassoCheckResult]: Stem: 1040#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(80, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(117, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(109, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(112, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(110, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(102, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 3 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(32, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 912#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 913#L67 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; 999#L75 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 982#L312 assume 0 != main_~tmp~1; 918#L288 havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 919#L209-1 [2020-12-01 15:23:48,307 INFO L796 eck$LassoCheckResult]: Loop: 919#L209-1 assume !false; 979#L579 assume test_~splverifierCounter~0 < 4; 980#L580 test_~tmp~8 := test_#t~nondet44;havoc test_#t~nondet44; 901#L588 assume !(0 != test_~tmp~8); 903#L588-1 test_~tmp___0~3 := test_#t~nondet45;havoc test_#t~nondet45; 905#L598 assume !(0 != test_~tmp___0~3); 1013#L598-1 test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 1017#L608 assume 0 != test_~tmp___2~0; 1027#L614-2 assume !(0 != ~pumpRunning~0); 1028#L335 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret23, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1002#L419 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret22, processEnvironment__wrappee__methaneQuery_~tmp~3;havoc processEnvironment__wrappee__methaneQuery_~tmp~3; 1003#L393-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret21, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 984#L367-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret42, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 985#L171-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1016#L176-3 isHighWaterLevel_#t~ret42 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret42;havoc isHighWaterLevel_#t~ret42; 928#L538-9 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 929#L538-11 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 940#L544-3 processEnvironment__wrappee__highWaterSensor_#t~ret21 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret21;havoc processEnvironment__wrappee__highWaterSensor_#t~ret21; 1060#L371-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 986#L342 havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __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~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1015#L131-5 __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 1038#L209 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 919#L209-1 [2020-12-01 15:23:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:48,307 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2020-12-01 15:23:48,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:48,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675491005] [2020-12-01 15:23:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,518 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,534 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:48,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:48,534 INFO L82 PathProgramCache]: Analyzing trace with hash 697809967, now seen corresponding path program 1 times [2020-12-01 15:23:48,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:48,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322660386] [2020-12-01 15:23:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,560 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:23:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1951115093, now seen corresponding path program 1 times [2020-12-01 15:23:48,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:23:48,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512633871] [2020-12-01 15:23:48,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:23:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:23:48,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:23:48,737 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:23:48,870 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-12-01 15:25:20,077 WARN L197 SmtUtils]: Spent 1.52 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-12-01 15:26:21,088 WARN L197 SmtUtils]: Spent 1.02 m on a formula simplification that was a NOOP. DAG size: 433 [2020-12-01 15:26:21,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:26:21 BoogieIcfgContainer [2020-12-01 15:26:21,427 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:26:21,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:26:21,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:26:21,430 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:26:21,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:23:46" (3/4) ... [2020-12-01 15:26:21,434 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-12-01 15:26:21,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee21b95f-e258-4474-96f6-fd1dfbac500b/bin/uautomizer/witness.graphml [2020-12-01 15:26:21,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:26:21,515 INFO L168 Benchmark]: Toolchain (without parser) took 158226.11 ms. Allocated memory was 94.4 MB in the beginning and 180.4 MB in the end (delta: 86.0 MB). Free memory was 60.6 MB in the beginning and 124.6 MB in the end (delta: -64.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,516 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:26:21,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.3 MB in the beginning and 59.7 MB in the end (delta: 633.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.49 ms. Allocated memory is still 94.4 MB. Free memory was 59.7 MB in the beginning and 54.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,518 INFO L168 Benchmark]: Boogie Preprocessor took 87.82 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,518 INFO L168 Benchmark]: RCFGBuilder took 2106.07 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 50.3 MB in the beginning and 59.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,519 INFO L168 Benchmark]: BuchiAutomizer took 155006.44 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 59.6 MB in the beginning and 127.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,519 INFO L168 Benchmark]: Witness Printer took 86.15 ms. Allocated memory is still 180.4 MB. Free memory was 127.8 MB in the beginning and 124.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:26:21,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.3 MB in the beginning and 59.7 MB in the end (delta: 633.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 153.49 ms. Allocated memory is still 94.4 MB. Free memory was 59.7 MB in the beginning and 54.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.82 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 50.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2106.07 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 50.3 MB in the beginning and 59.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 155006.44 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 59.6 MB in the beginning and 127.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * Witness Printer took 86.15 ms. Allocated memory is still 180.4 MB. Free memory was 127.8 MB in the beginning and 124.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 154.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 154.2s. Construction of modules took 0.2s. 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 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 539 SDtfs, 1127 SDslu, 77 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 578]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=25273} State at position 1 is {NULL=0, NULL=25273, NULL=25295, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cc256b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79f8de22=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2292f4a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec2cd05=0, NULL=25289, NULL=25282, methaneLevelCritical=0, NULL=25287, NULL=0, NULL=25277, retValue_acc=0, NULL=25286, NULL=0, tmp=0, tmp___1=0, NULL=25276, NULL=0, NULL=25274, cleanupTimeShifts=4, NULL=25278, NULL=0, waterLevel=1, \result=1, head=0, pumpRunning=0, retValue_acc=1, tmp=1, NULL=0, NULL=0, NULL=0, tmp=0, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=25294, NULL=0, tmp___0=0, NULL=0, tmp=1, NULL=25293, NULL=25296, head=0, tmp=0, NULL=25275, NULL=0, NULL=0, NULL=0, NULL=25281, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54bcf555=0, tmp=0, NULL=25280, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b88c945=0, retValue_acc=0, NULL=25301, NULL=0, tmp___0=0, NULL=0, NULL=25291, NULL=25279, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@435a53cb=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46ebc252=0, NULL=25298, tmp=0, NULL=0, NULL=0, systemActive=1, NULL=25285, \result=0, retValue_acc=0, NULL=25300, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a36dce8=0, \result=0, NULL=25297, NULL=0, NULL=25284, NULL=0, NULL=25288, NULL=25290, NULL=25299, retValue_acc=1, tmp___2=68, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=25283, NULL=25292, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30c0a3b0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c825888=0, NULL=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int waterLevel = 1; [L89] int methaneLevelCritical = 0; [L227] int cleanupTimeShifts = 4; [L328] int pumpRunning = 0; [L329] int systemActive = 1; [L802] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L303] int retValue_acc ; [L304] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L310] tmp = valid_product() [L312] COND TRUE \read(tmp) [L569] int splverifierCounter ; [L570] int tmp ; [L571] int tmp___0 ; [L572] int tmp___1 ; [L573] int tmp___2 ; [L576] splverifierCounter = 0 Loop: [L578] COND TRUE 1 [L580] COND TRUE splverifierCounter < 4 [L586] tmp = __VERIFIER_nondet_int() [L588] COND FALSE !(\read(tmp)) [L596] tmp___0 = __VERIFIER_nondet_int() [L598] COND FALSE !(\read(tmp___0)) [L606] tmp___2 = __VERIFIER_nondet_int() [L608] COND TRUE \read(tmp___2) [L335] COND FALSE !(\read(pumpRunning)) [L342] COND TRUE \read(systemActive) [L416] int tmp ; [L419] COND FALSE !(\read(pumpRunning)) [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L364] int tmp ; [L367] COND TRUE ! pumpRunning [L530] int retValue_acc ; [L531] int tmp ; [L532] int tmp___0 ; [L168] int retValue_acc ; [L171] COND TRUE waterLevel < 2 [L172] retValue_acc = 1 [L173] return (retValue_acc); [L536] tmp = isHighWaterSensorDry() [L538] COND TRUE \read(tmp) [L539] tmp___0 = 0 [L543] retValue_acc = tmp___0 [L544] return (retValue_acc); [L369] tmp = isHighWaterLevel() [L371] COND FALSE !(\read(tmp)) [L202] int tmp ; [L203] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = methaneLevelCritical [L131] return (retValue_acc); [L207] tmp = isMethaneLevelCritical() [L209] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...