./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ........................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-01 18:29:11,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:29:11,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:29:11,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:29:11,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:29:11,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:29:11,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:29:11,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:29:11,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:29:11,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:29:11,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:29:11,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:29:11,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:29:11,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:29:11,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:29:11,987 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:29:11,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:29:11,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:29:11,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:29:11,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:29:11,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:29:11,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:29:11,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:29:11,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:29:11,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:29:11,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:29:11,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:29:11,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:29:11,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:29:11,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:29:11,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:29:11,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:29:11,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:29:11,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:29:11,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:29:11,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:29:11,997 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 18:29:12,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:29:12,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:29:12,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:29:12,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:29:12,009 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 18:29:12,009 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 18:29:12,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 18:29:12,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:29:12,011 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 18:29:12,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:29:12,012 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:29:12,012 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 18:29:12,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:29:12,012 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:29:12,012 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 18:29:12,013 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 18:29:12,013 INFO L133 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_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-12-01 18:29:12,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:29:12,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:29:12,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:29:12,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:29:12,048 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:29:12,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-12-01 18:29:12,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/data/12e518800/2e9e47cadd9a465aab3115d2aa08ff20/FLAG07834b551 [2018-12-01 18:29:12,552 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:29:12,553 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-12-01 18:29:12,561 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/data/12e518800/2e9e47cadd9a465aab3115d2aa08ff20/FLAG07834b551 [2018-12-01 18:29:12,926 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/data/12e518800/2e9e47cadd9a465aab3115d2aa08ff20 [2018-12-01 18:29:12,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:29:12,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:29:12,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:29:12,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:29:12,931 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:29:12,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:29:12" (1/1) ... [2018-12-01 18:29:12,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32094331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:12, skipping insertion in model container [2018-12-01 18:29:12,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:29:12" (1/1) ... [2018-12-01 18:29:12,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:29:12,958 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:29:13,098 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:29:13,106 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:29:13,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:29:13,190 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:29:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13 WrapperNode [2018-12-01 18:29:13,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:29:13,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:29:13,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:29:13,191 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:29:13,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:29:13,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:29:13,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:29:13,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:29:13,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... [2018-12-01 18:29:13,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:29:13,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:29:13,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:29:13,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:29:13,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/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 [2018-12-01 18:29:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:29:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:29:13,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:29:13,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:29:13,549 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:29:13,550 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-12-01 18:29:13,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:13 BoogieIcfgContainer [2018-12-01 18:29:13,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:29:13,551 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 18:29:13,551 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 18:29:13,553 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 18:29:13,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:29:13,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 06:29:12" (1/3) ... [2018-12-01 18:29:13,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8db4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:29:13, skipping insertion in model container [2018-12-01 18:29:13,555 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:29:13,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:29:13" (2/3) ... [2018-12-01 18:29:13,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8db4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:29:13, skipping insertion in model container [2018-12-01 18:29:13,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:29:13,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:13" (3/3) ... [2018-12-01 18:29:13,557 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-12-01 18:29:13,590 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:29:13,590 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 18:29:13,590 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 18:29:13,591 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 18:29:13,591 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:29:13,591 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:29:13,591 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 18:29:13,591 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:29:13,591 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 18:29:13,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2018-12-01 18:29:13,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-12-01 18:29:13,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:29:13,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:29:13,619 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,619 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,619 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 18:29:13,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2018-12-01 18:29:13,621 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-12-01 18:29:13,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:29:13,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:29:13,622 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,622 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,625 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 28#L431true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 35#L439true main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 47#L531true assume 0 != main_~tmp~3; 68#L507true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 40#L556-1true [2018-12-01 18:29:13,625 INFO L796 eck$LassoCheckResult]: Loop: 40#L556-1true assume !false; 59#L678true assume test_~splverifierCounter~0 < 4; 65#L679true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 29#L687true assume !(0 != test_~tmp~5); 3#L687-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 62#L697true assume !(0 != test_~tmp___0~1); 63#L697-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 54#L707true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 56#L715-2true assume !(0 != ~pumpRunning~0); 49#L743true assume !(0 != ~systemActive~0); 32#L750true havoc __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 9#L629-1true __utac_acc__Specification1_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret37;havoc __utac_acc__Specification1_spec__1_#t~ret37; 36#L556true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 40#L556-1true [2018-12-01 18:29:13,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:13,628 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-01 18:29:13,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:29:13,630 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:29:13,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:29:13,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:13,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944957, now seen corresponding path program 1 times [2018-12-01 18:29:13,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:29:13,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:29:13,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:29:13,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:29:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:29:13,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:29:13,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:29:13,790 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 18:29:13,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:29:13,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:29:13,800 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2018-12-01 18:29:13,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:29:13,822 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2018-12-01 18:29:13,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:29:13,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2018-12-01 18:29:13,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-01 18:29:13,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2018-12-01 18:29:13,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2018-12-01 18:29:13,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2018-12-01 18:29:13,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2018-12-01 18:29:13,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 18:29:13,829 INFO L705 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-01 18:29:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2018-12-01 18:29:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-01 18:29:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-01 18:29:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2018-12-01 18:29:13,847 INFO L728 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-01 18:29:13,847 INFO L608 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-01 18:29:13,847 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 18:29:13,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2018-12-01 18:29:13,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-01 18:29:13,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:29:13,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:29:13,848 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,848 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:29:13,848 INFO L794 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 149#L-1 havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 150#L431 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 179#L439 main_#t~ret36 := valid_product_#res;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 183#L531 assume 0 != main_~tmp~3; 190#L507 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 186#L556-1 [2018-12-01 18:29:13,848 INFO L796 eck$LassoCheckResult]: Loop: 186#L556-1 assume !false; 187#L678 assume test_~splverifierCounter~0 < 4; 199#L679 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 180#L687 assume !(0 != test_~tmp~5); 141#L687-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 142#L697 assume !(0 != test_~tmp___0~1); 198#L697-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 193#L707 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 194#L715-2 assume !(0 != ~pumpRunning~0); 177#L743 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 168#L775 assume !(0 != ~pumpRunning~0); 169#L750 havoc __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 151#L629-1 __utac_acc__Specification1_spec__1_#t~ret37 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret37;havoc __utac_acc__Specification1_spec__1_#t~ret37; 152#L556 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 186#L556-1 [2018-12-01 18:29:13,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-01 18:29:13,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:29:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:29:13,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:29:13,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:13,907 INFO L82 PathProgramCache]: Analyzing trace with hash -590214405, now seen corresponding path program 1 times [2018-12-01 18:29:13,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:29:13,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:29:13,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,908 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:29:13,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:29:13,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825121, now seen corresponding path program 1 times [2018-12-01 18:29:13,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:29:13,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:29:13,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:29:13,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:29:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:29:18,346 WARN L180 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-01 18:29:20,457 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-01 18:29:20,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 06:29:20 BoogieIcfgContainer [2018-12-01 18:29:20,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 18:29:20,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:29:20,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:29:20,490 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:29:20,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:13" (3/4) ... [2018-12-01 18:29:20,492 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 18:29:20,519 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a102cd2b-440f-4a77-9fd5-6b2828d22e15/bin-2019/uautomizer/witness.graphml [2018-12-01 18:29:20,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:29:20,520 INFO L168 Benchmark]: Toolchain (without parser) took 7591.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.0 MB in the beginning and 971.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 135.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,520 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:29:20,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:29:20,521 INFO L168 Benchmark]: Boogie Preprocessor took 17.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,521 INFO L168 Benchmark]: RCFGBuilder took 310.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,521 INFO L168 Benchmark]: BuchiAutomizer took 6938.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.0 GB in the beginning and 971.8 MB in the end (delta: 59.8 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,522 INFO L168 Benchmark]: Witness Printer took 29.90 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 971.0 MB in the end (delta: 874.2 kB). Peak memory consumption was 874.2 kB. Max. memory is 11.5 GB. [2018-12-01 18:29:20,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 310.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6938.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.0 GB in the beginning and 971.8 MB in the end (delta: 59.8 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. * Witness Printer took 29.90 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 971.0 MB in the end (delta: 874.2 kB). Peak memory consumption was 874.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 677]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@351c567a=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=15, NULL=23, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54f3c942=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cbc1389=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed6ebe5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eaf60b9=0, tmp=0, NULL=0, NULL=0, NULL=31, tmp___1=0, NULL=36, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751830b7=0, NULL=27, tmp___0=0, NULL=12, cleanupTimeShifts=4, NULL=39, NULL=24, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=34, retValue_acc=0, NULL=33, NULL=29, NULL=0, NULL=0, \result=1, NULL=28, head=0, pumpRunning=0, \result=0, NULL=35, tmp=1, NULL=0, NULL=22, NULL=0, tmp=0, NULL=0, NULL=26, retValue_acc=1, NULL=20, tmp___2=56, NULL=18, tmp___0=0, splverifierCounter=0, \result=0, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44889867=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5173e141=0, head=0, NULL=0, NULL=11, tmp=0, NULL=19, NULL=0, NULL=38, NULL=0, NULL=0, NULL=16, NULL=17, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L586] int waterLevel = 1; [L587] int methaneLevelCritical = 0; [L736] int pumpRunning = 0; [L737] int systemActive = 1; [L522] int retValue_acc ; [L523] int tmp ; [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] return (retValue_acc); [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L668] int splverifierCounter ; [L669] int tmp ; [L670] int tmp___0 ; [L671] int tmp___1 ; [L672] int tmp___2 ; [L675] splverifierCounter = 0 Loop: [L677] COND TRUE 1 [L679] COND TRUE splverifierCounter < 4 [L685] tmp = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp)) [L695] tmp___0 = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp___0)) [L705] tmp___2 = __VERIFIER_nondet_int() [L707] COND TRUE \read(tmp___2) [L872] systemActive = 1 [L743] COND FALSE !(\read(pumpRunning)) [L750] COND TRUE \read(systemActive) [L772] int tmp ; [L775] COND FALSE !(\read(pumpRunning)) [L549] int tmp ; [L550] int tmp___0 ; [L625] int retValue_acc ; [L628] retValue_acc = methaneLevelCritical [L629] return (retValue_acc); [L554] tmp = isMethaneLevelCritical() [L556] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...