./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_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_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ........................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-02 18:57:18,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:57:18,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:57:18,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:57:18,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:57:18,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:57:18,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:57:18,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:57:18,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:57:18,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:57:18,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:57:18,028 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:57:18,028 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:57:18,029 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:57:18,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:57:18,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:57:18,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:57:18,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:57:18,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:57:18,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:57:18,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:57:18,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:57:18,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:57:18,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:57:18,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:57:18,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:57:18,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:57:18,037 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:57:18,038 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:57:18,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:57:18,039 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:57:18,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:57:18,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:57:18,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:57:18,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:57:18,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:57:18,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 18:57:18,048 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:57:18,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:57:18,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:57:18,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:57:18,049 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 18:57:18,050 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 18:57:18,050 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:57:18,050 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:57:18,051 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 18:57:18,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 18:57:18,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 18:57:18,052 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 18:57:18,053 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 18:57:18,053 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_6fca638b-4a23-40a6-bc5a-31d4253796f5/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2018-12-02 18:57:18,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:57:18,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:57:18,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:57:18,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:57:18,080 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:57:18,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-12-02 18:57:18,115 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/data/cfadc6924/a7fe4a6e893b4b909fd252db778d094e/FLAGf55c5e136 [2018-12-02 18:57:18,597 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:57:18,597 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/sv-benchmarks/c/product-lines/minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-12-02 18:57:18,603 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/data/cfadc6924/a7fe4a6e893b4b909fd252db778d094e/FLAGf55c5e136 [2018-12-02 18:57:18,611 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/data/cfadc6924/a7fe4a6e893b4b909fd252db778d094e [2018-12-02 18:57:18,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:57:18,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:57:18,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:57:18,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:57:18,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:57:18,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18, skipping insertion in model container [2018-12-02 18:57:18,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:57:18,642 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:57:18,788 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:57:18,797 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:57:18,885 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:57:18,902 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:57:18,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18 WrapperNode [2018-12-02 18:57:18,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:57:18,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:57:18,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:57:18,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:57:18,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:57:18,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:57:18,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:57:18,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:57:18,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... [2018-12-02 18:57:18,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:57:18,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:57:18,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:57:18,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:57:18,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/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 [2018-12-02 18:57:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:57:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:57:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:57:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:57:19,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:57:19,307 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2018-12-02 18:57:19,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:57:19 BoogieIcfgContainer [2018-12-02 18:57:19,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:57:19,308 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 18:57:19,308 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 18:57:19,311 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 18:57:19,312 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:57:19,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:57:18" (1/3) ... [2018-12-02 18:57:19,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22aabe44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:57:19, skipping insertion in model container [2018-12-02 18:57:19,313 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:57:19,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:57:18" (2/3) ... [2018-12-02 18:57:19,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22aabe44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:57:19, skipping insertion in model container [2018-12-02 18:57:19,314 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:57:19,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:57:19" (3/3) ... [2018-12-02 18:57:19,315 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22_true-unreach-call_false-termination.cil.c [2018-12-02 18:57:19,359 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:57:19,360 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 18:57:19,360 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 18:57:19,360 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 18:57:19,360 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:57:19,360 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:57:19,360 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 18:57:19,361 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:57:19,361 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 18:57:19,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-12-02 18:57:19,386 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-12-02 18:57:19,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:57:19,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:57:19,391 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,391 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,391 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 18:57:19,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2018-12-02 18:57:19,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-12-02 18:57:19,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:57:19,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:57:19,395 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,395 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,398 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);~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~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 5#L-1true havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 11#L65true 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; 4#L73true main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 30#L194true assume 0 != main_~tmp~1; 101#L170true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 50#L89-1true [2018-12-02 18:57:19,398 INFO L796 eck$LassoCheckResult]: Loop: 50#L89-1true assume !false; 57#L876true assume test_~splverifierCounter~0 < 4; 3#L877true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 24#L885true assume !(0 != test_~tmp~8); 6#L885-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 63#L895true assume !(0 != test_~tmp___0~2); 61#L895-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 85#L905true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 104#L913-2true assume !(0 != ~pumpRunning~0); 55#L686true assume !(0 != ~systemActive~0); 98#L693true havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __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~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 82#L630-1true __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 53#L89true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 50#L89-1true [2018-12-02 18:57:19,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:19,402 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 18:57:19,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:57:19,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:57:19,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:19,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:19,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2018-12-02 18:57:19,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:57:19,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:57:19,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:19,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:57:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:57:19,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:57:19,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:57:19,563 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 18:57:19,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:57:19,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:57:19,573 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 3 states. [2018-12-02 18:57:19,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:57:19,597 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2018-12-02 18:57:19,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:57:19,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2018-12-02 18:57:19,600 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-12-02 18:57:19,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2018-12-02 18:57:19,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-12-02 18:57:19,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-12-02 18:57:19,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2018-12-02 18:57:19,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 18:57:19,605 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-02 18:57:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2018-12-02 18:57:19,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-02 18:57:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-02 18:57:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2018-12-02 18:57:19,624 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-02 18:57:19,624 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2018-12-02 18:57:19,624 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 18:57:19,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2018-12-02 18:57:19,625 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-12-02 18:57:19,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:57:19,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:57:19,626 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,626 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:57:19,626 INFO L794 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);~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~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 223#L-1 havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 224#L65 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; 215#L73 main_#t~ret3 := valid_product_#res;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 216#L194 assume 0 != main_~tmp~1; 272#L170 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 287#L89-1 [2018-12-02 18:57:19,626 INFO L796 eck$LassoCheckResult]: Loop: 287#L89-1 assume !false; 304#L876 assume test_~splverifierCounter~0 < 4; 213#L877 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 214#L885 assume !(0 != test_~tmp~8); 220#L885-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 217#L895 assume !(0 != test_~tmp___0~2); 218#L895-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 296#L905 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 297#L913-2 assume !(0 != ~pumpRunning~0); 269#L686 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 300#L744 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 280#L718-1 assume !(0 != ~pumpRunning~0); 276#L693 havoc __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_#t~ret2, __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~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 291#L630-1 __utac_acc__Specification1_spec__1_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; 292#L89 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 287#L89-1 [2018-12-02 18:57:19,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:19,626 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 18:57:19,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:57:19,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:57:19,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:19,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:19,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2018-12-02 18:57:19,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:57:19,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:57:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,661 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 18:57:19,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:57:19,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2018-12-02 18:57:19,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:57:19,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:57:19,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:57:19,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:57:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:57:24,179 WARN L180 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 18:57:26,354 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 18:57:26,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:57:26 BoogieIcfgContainer [2018-12-02 18:57:26,386 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 18:57:26,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:57:26,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:57:26,387 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:57:26,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:57:19" (3/4) ... [2018-12-02 18:57:26,389 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 18:57:26,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6fca638b-4a23-40a6-bc5a-31d4253796f5/bin-2019/uautomizer/witness.graphml [2018-12-02 18:57:26,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:57:26,416 INFO L168 Benchmark]: Toolchain (without parser) took 7803.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 956.0 MB in the beginning and 983.7 MB in the end (delta: -27.7 MB). Peak memory consumption was 205.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:57:26,417 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:57:26,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -97.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:57:26,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.01 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. [2018-12-02 18:57:26,417 INFO L168 Benchmark]: Boogie Preprocessor took 21.60 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. [2018-12-02 18:57:26,417 INFO L168 Benchmark]: RCFGBuilder took 346.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:57:26,418 INFO L168 Benchmark]: BuchiAutomizer took 7078.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 980.0 MB in the beginning and 985.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:57:26,418 INFO L168 Benchmark]: Witness Printer took 29.42 ms. Allocated memory is still 1.3 GB. Free memory was 985.8 MB in the beginning and 983.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:57:26,419 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -97.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.01 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 21.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 346.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 73.9 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7078.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 980.0 MB in the beginning and 985.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. * Witness Printer took 29.42 ms. Allocated memory is still 1.3 GB. Free memory was 985.8 MB in the beginning and 983.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. 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 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 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: 875]: 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=16, NULL=0, NULL=0, retValue_acc=0, NULL=19, NULL=0, NULL=0, NULL=0, NULL=8, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e7f6b89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e8aac82=0, NULL=0, NULL=28, NULL=0, tmp=0, tmp___1=0, tmp=0, NULL=37, tmp___0=0, NULL=24, cleanupTimeShifts=4, NULL=27, NULL=35, NULL=31, NULL=22, NULL=17, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17ab4552=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23ffe6c9=0, retValue_acc=0, NULL=20, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=15, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@408b78bc=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29e66e08=0, NULL=0, NULL=0, NULL=26, tmp=0, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39204801=0, NULL=43, NULL=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23cd27e0=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d501c49=0, NULL=38, retValue_acc=1, tmp___2=56, tmp___0=0, NULL=34, splverifierCounter=0, NULL=0, \result=0, NULL=14, head=0, NULL=0, NULL=36, NULL=0, tmp=0, NULL=33, NULL=29, NULL=0, NULL=0, NULL=23, NULL=0, NULL=11} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L107] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L185] int retValue_acc ; [L186] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L192] tmp = valid_product() [L194] COND TRUE \read(tmp) [L866] int splverifierCounter ; [L867] int tmp ; [L868] int tmp___0 ; [L869] int tmp___1 ; [L870] int tmp___2 ; [L873] splverifierCounter = 0 Loop: [L875] COND TRUE 1 [L877] COND TRUE splverifierCounter < 4 [L883] tmp = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp)) [L893] tmp___0 = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp___0)) [L903] tmp___2 = __VERIFIER_nondet_int() [L905] COND TRUE \read(tmp___2) [L860] systemActive = 1 [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L82] int tmp ; [L83] int tmp___0 ; [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] return (retValue_acc); [L87] tmp = isMethaneLevelCritical() [L89] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...