./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02_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_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/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 9981d0431503a5384aa266d98ee0eb924dcc1f3e ....................................................................................................................................................................................................................................................................................................................................................................................... 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 18:57:24,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:57:24,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:57:24,077 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:57:24,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:57:24,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:57:24,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:57:24,080 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:57:24,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:57:24,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:57:24,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:57:24,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:57:24,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:57:24,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:57:24,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:57:24,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:57:24,085 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:57:24,086 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:57:24,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:57:24,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:57:24,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:57:24,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:57:24,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:57:24,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:57:24,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:57:24,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:57:24,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:57:24,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:57:24,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:57:24,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:57:24,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:57:24,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:57:24,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:57:24,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:57:24,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:57:24,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:57:24,097 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 18:57:24,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:57:24,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:57:24,109 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:57:24,109 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:57:24,109 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:57:24,109 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 18:57:24,109 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 18:57:24,109 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 18:57:24,110 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:57:24,110 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 18:57:24,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:57:24,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:57:24,112 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 18:57:24,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:57:24,112 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:57:24,112 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 18:57:24,112 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 18:57:24,112 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_b09effba-f5cf-41af-9a8d-5bed24f54f56/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 -> 9981d0431503a5384aa266d98ee0eb924dcc1f3e [2018-12-01 18:57:24,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:57:24,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:57:24,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:57:24,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:57:24,143 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:57:24,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-12-01 18:57:24,178 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/data/f8b1893ca/66c524f06c9a472cab63cd4d9785673a/FLAG2afd0e418 [2018-12-01 18:57:24,591 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:57:24,592 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-12-01 18:57:24,598 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/data/f8b1893ca/66c524f06c9a472cab63cd4d9785673a/FLAG2afd0e418 [2018-12-01 18:57:24,606 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/data/f8b1893ca/66c524f06c9a472cab63cd4d9785673a [2018-12-01 18:57:24,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:57:24,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:57:24,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:57:24,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:57:24,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:57:24,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24, skipping insertion in model container [2018-12-01 18:57:24,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:57:24,639 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:57:24,783 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:57:24,791 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:57:24,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:57:24,875 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:57:24,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24 WrapperNode [2018-12-01 18:57:24,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:57:24,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:57:24,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:57:24,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:57:24,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:57:24,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:57:24,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:57:24,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:57:24,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... [2018-12-01 18:57:24,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:57:24,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:57:24,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:57:24,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:57:24,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/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 18:57:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:57:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:57:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:57:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:57:25,239 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:57:25,239 INFO L280 CfgBuilder]: Removed 82 assue(true) statements. [2018-12-01 18:57:25,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:57:25 BoogieIcfgContainer [2018-12-01 18:57:25,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:57:25,240 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 18:57:25,240 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 18:57:25,243 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 18:57:25,244 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:57:25,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 06:57:24" (1/3) ... [2018-12-01 18:57:25,245 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@579d8e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:57:25, skipping insertion in model container [2018-12-01 18:57:25,245 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:57:25,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:57:24" (2/3) ... [2018-12-01 18:57:25,245 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@579d8e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:57:25, skipping insertion in model container [2018-12-01 18:57:25,245 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:57:25,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:57:25" (3/3) ... [2018-12-01 18:57:25,247 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-12-01 18:57:25,287 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:57:25,288 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 18:57:25,288 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 18:57:25,288 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 18:57:25,288 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:57:25,288 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:57:25,288 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 18:57:25,288 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:57:25,288 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 18:57:25,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-12-01 18:57:25,317 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-01 18:57:25,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:57:25,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:57:25,322 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,322 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,322 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 18:57:25,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-12-01 18:57:25,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-01 18:57:25,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:57:25,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:57:25,326 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,326 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,329 INFO L794 eck$LassoCheckResult]: Stem: 15#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.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(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 7#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 29#L769true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 34#L777true main_#t~ret70 := valid_product_#res;main_~tmp~5 := main_#t~ret70;havoc main_#t~ret70; 55#L865true assume 0 != main_~tmp~5; 8#L841true ~switchedOnBeforeTS~0 := 0; 62#L701true havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 43#L722-1true [2018-12-01 18:57:25,330 INFO L796 eck$LassoCheckResult]: Loop: 43#L722-1true assume !false; 30#L630true assume test_~splverifierCounter~0 < 4; 54#L631true test_~tmp~3 := test_#t~nondet62;havoc test_#t~nondet62; 6#L639true assume !(0 != test_~tmp~3); 60#L639-1true test_~tmp___0~0 := test_#t~nondet63;havoc test_#t~nondet63; 35#L649true assume !(0 != test_~tmp___0~0); 37#L649-1true test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 16#L659true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 24#L667-2true havoc __utac_acc__Specification5_spec__2_#t~ret66;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 50#L569true __utac_acc__Specification5_spec__2_#t~ret66 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret66;havoc __utac_acc__Specification5_spec__2_#t~ret66; 41#L711true assume !(0 != ~pumpRunning~0); 36#L510true assume 0 != ~systemActive~0; 47#L517true havoc __utac_acc__Specification5_spec__3_#t~ret67, __utac_acc__Specification5_spec__3_#t~ret68, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 17#L487true __utac_acc__Specification5_spec__3_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret67;havoc __utac_acc__Specification5_spec__3_#t~ret67; 39#L722true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 43#L722-1true [2018-12-01 18:57:25,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-01 18:57:25,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:57:25,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2018-12-01 18:57:25,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:57:25,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2018-12-01 18:57:25,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:57:25,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:57:25,555 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 18:57:25,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:57:25,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:57:25,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:57:25,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:57:25,650 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2018-12-01 18:57:25,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:57:25,733 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2018-12-01 18:57:25,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 18:57:25,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2018-12-01 18:57:25,738 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-12-01 18:57:25,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2018-12-01 18:57:25,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2018-12-01 18:57:25,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2018-12-01 18:57:25,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2018-12-01 18:57:25,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 18:57:25,744 INFO L705 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2018-12-01 18:57:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2018-12-01 18:57:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2018-12-01 18:57:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-01 18:57:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2018-12-01 18:57:25,766 INFO L728 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-12-01 18:57:25,767 INFO L608 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-12-01 18:57:25,767 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 18:57:25,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2018-12-01 18:57:25,768 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-12-01 18:57:25,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:57:25,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:57:25,768 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,768 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:57:25,768 INFO L794 eck$LassoCheckResult]: Stem: 263#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.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(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 253#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 254#L769 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 288#L777 main_#t~ret70 := valid_product_#res;main_~tmp~5 := main_#t~ret70;havoc main_#t~ret70; 296#L865 assume 0 != main_~tmp~5; 255#L841 ~switchedOnBeforeTS~0 := 0; 256#L701 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 247#L722-1 [2018-12-01 18:57:25,769 INFO L796 eck$LassoCheckResult]: Loop: 247#L722-1 assume !false; 306#L630 assume test_~splverifierCounter~0 < 4; 318#L631 test_~tmp~3 := test_#t~nondet62;havoc test_#t~nondet62; 319#L639 assume !(0 != test_~tmp~3); 348#L639-1 test_~tmp___0~0 := test_#t~nondet63;havoc test_#t~nondet63; 347#L649 assume !(0 != test_~tmp___0~0); 345#L649-1 test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 344#L659 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 342#L667-2 havoc __utac_acc__Specification5_spec__2_#t~ret66;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 341#L569 __utac_acc__Specification5_spec__2_#t~ret66 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret66;havoc __utac_acc__Specification5_spec__2_#t~ret66; 340#L711 assume !(0 != ~pumpRunning~0); 339#L510 assume 0 != ~systemActive~0; 311#L517 havoc __utac_acc__Specification5_spec__3_#t~ret67, __utac_acc__Specification5_spec__3_#t~ret68, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 267#L487 __utac_acc__Specification5_spec__3_#t~ret67 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret67;havoc __utac_acc__Specification5_spec__3_#t~ret67; 268#L722 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 299#L569-1 __utac_acc__Specification5_spec__3_#t~ret68 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret68;havoc __utac_acc__Specification5_spec__3_#t~ret68; 320#L726 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 247#L722-1 [2018-12-01 18:57:25,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-01 18:57:25,769 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:57:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,796 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2018-12-01 18:57:25,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,796 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:57:25,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:57:25,803 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2018-12-01 18:57:25,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:57:25,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:57:25,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:57:25,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:57:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:57:30,392 WARN L180 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-01 18:57:32,608 WARN L180 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-01 18:57:32,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 06:57:32 BoogieIcfgContainer [2018-12-01 18:57:32,646 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 18:57:32,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:57:32,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:57:32,646 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:57:32,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:57:25" (3/4) ... [2018-12-01 18:57:32,648 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 18:57:32,676 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b09effba-f5cf-41af-9a8d-5bed24f54f56/bin-2019/uautomizer/witness.graphml [2018-12-01 18:57:32,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:57:32,677 INFO L168 Benchmark]: Toolchain (without parser) took 8068.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.0 MB in the beginning and 915.1 MB in the end (delta: 40.9 MB). Peak memory consumption was 197.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:57:32,678 INFO L168 Benchmark]: CDTParser took 0.11 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 18:57:32,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:57:32,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.58 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 18:57:32,678 INFO L168 Benchmark]: Boogie Preprocessor took 17.15 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 18:57:32,679 INFO L168 Benchmark]: RCFGBuilder took 316.93 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:57:32,679 INFO L168 Benchmark]: BuchiAutomizer took 7405.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.0 GB in the beginning and 921.3 MB in the end (delta: 122.5 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:57:32,679 INFO L168 Benchmark]: Witness Printer took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 921.3 MB in the beginning and 915.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:57:32,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 266.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.58 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 17.15 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 316.93 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7405.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.0 GB in the beginning and 921.3 MB in the end (delta: 122.5 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. * Witness Printer took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 921.3 MB in the beginning and 915.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. 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, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 629]: 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=39, NULL=0, NULL=0, NULL=0, NULL=28, NULL=0, retValue_acc=0, methaneLevelCritical=0, tmp=0, tmp=1, tmp___1=0, NULL=15, NULL=18, NULL=22, NULL=16, NULL=27, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=11, NULL=34, \result=0, NULL=33, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=36, NULL=37, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=8, head=0, pumpRunning=0, NULL=38, NULL=26, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@729884af=0, NULL=20, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=35, NULL=19, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55965dd8=0, tmp___2=56, retValue_acc=1, NULL=14, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@885c45b=0, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ebc5da7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18846f06=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4de1dff9=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c236bb1=0, NULL=23, NULL=17, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ac2716c=0, NULL=12, NULL=0, NULL=0, NULL=24, retValue_acc=0, NULL=31} - 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; [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L695] int switchedOnBeforeTS ; [L782] int cleanupTimeShifts = 4; [L856] int retValue_acc ; [L857] int tmp ; [L773] int retValue_acc ; [L776] retValue_acc = 1 [L777] return (retValue_acc); [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L700] switchedOnBeforeTS = 0 [L620] int splverifierCounter ; [L621] int tmp ; [L622] int tmp___0 ; [L623] int tmp___1 ; [L624] int tmp___2 ; [L627] splverifierCounter = 0 Loop: [L629] COND TRUE 1 [L631] COND TRUE splverifierCounter < 4 [L637] tmp = __VERIFIER_nondet_int() [L639] COND FALSE !(\read(tmp)) [L647] tmp___0 = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp___0)) [L657] tmp___2 = __VERIFIER_nondet_int() [L659] COND TRUE \read(tmp___2) [L613] systemActive = 1 [L565] int retValue_acc ; [L568] retValue_acc = pumpRunning [L569] return (retValue_acc); [L709] switchedOnBeforeTS = isPumpRunning() [L510] COND FALSE !(\read(pumpRunning)) [L517] COND TRUE \read(systemActive) [L715] int tmp ; [L716] int tmp___0 ; [L483] int retValue_acc ; [L486] retValue_acc = waterLevel [L487] return (retValue_acc); [L720] tmp = getWaterLevel() [L722] COND TRUE tmp != 2 [L565] int retValue_acc ; [L568] retValue_acc = pumpRunning [L569] return (retValue_acc); [L724] tmp___0 = isPumpRunning() [L726] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...