./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_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_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-09 11:58:01,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:58:01,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:58:01,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:58:01,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:58:01,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:58:01,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:58:01,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:58:01,109 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:58:01,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:58:01,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:58:01,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:58:01,110 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:58:01,111 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:58:01,112 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:58:01,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:58:01,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:58:01,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:58:01,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:58:01,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:58:01,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:58:01,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:58:01,118 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:58:01,118 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:58:01,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:58:01,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:58:01,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:58:01,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:58:01,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:58:01,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:58:01,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:58:01,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:58:01,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:58:01,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:58:01,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:58:01,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:58:01,123 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 11:58:01,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:58:01,131 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:58:01,132 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:58:01,132 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:58:01,132 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:58:01,132 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 11:58:01,133 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:58:01,133 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:58:01,134 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 11:58:01,135 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 11:58:01,135 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:58:01,135 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 11:58:01,136 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 11:58:01,136 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_990159be-75f5-4a04-8802-5ee4de870f12/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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-12-09 11:58:01,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:58:01,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:58:01,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:58:01,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:58:01,163 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:58:01,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-09 11:58:01,196 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/data/0ae1816ae/97834b7774ac4138b14216d250d3f398/FLAG1a77da6e7 [2018-12-09 11:58:01,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:58:01,659 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/sv-benchmarks/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-09 11:58:01,665 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/data/0ae1816ae/97834b7774ac4138b14216d250d3f398/FLAG1a77da6e7 [2018-12-09 11:58:01,674 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/data/0ae1816ae/97834b7774ac4138b14216d250d3f398 [2018-12-09 11:58:01,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:58:01,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:58:01,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:01,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:58:01,679 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:58:01,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,681 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 09.12 11:58:01, skipping insertion in model container [2018-12-09 11:58:01,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:58:01,704 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:58:01,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:01,888 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:58:01,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:01,944 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:58:01,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01 WrapperNode [2018-12-09 11:58:01,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:01,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:01,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:58:01,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:58:01,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:01,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:58:01,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:58:01,979 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:58:01,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... [2018-12-09 11:58:01,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:58:01,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:58:01,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:58:01,999 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:58:02,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/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 [2018-12-09 11:58:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:58:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:58:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:58:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:58:02,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:58:02,340 INFO L280 CfgBuilder]: Removed 160 assue(true) statements. [2018-12-09 11:58:02,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:02 BoogieIcfgContainer [2018-12-09 11:58:02,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:58:02,341 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 11:58:02,341 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 11:58:02,343 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 11:58:02,343 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:58:02,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 11:58:01" (1/3) ... [2018-12-09 11:58:02,344 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b1a305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:58:02, skipping insertion in model container [2018-12-09 11:58:02,344 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:58:02,344 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:01" (2/3) ... [2018-12-09 11:58:02,345 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b1a305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:58:02, skipping insertion in model container [2018-12-09 11:58:02,345 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:58:02,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:02" (3/3) ... [2018-12-09 11:58:02,346 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-09 11:58:02,376 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:58:02,376 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 11:58:02,377 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 11:58:02,377 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 11:58:02,377 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:58:02,377 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:58:02,377 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 11:58:02,377 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:58:02,377 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 11:58:02,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-09 11:58:02,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-09 11:58:02,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:58:02,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:58:02,407 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,407 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,407 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 11:58:02,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-09 11:58:02,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-09 11:58:02,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:58:02,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:58:02,411 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,411 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,414 INFO L794 eck$LassoCheckResult]: Stem: 71#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~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 99#L536true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 8#L544true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 63#L925true assume 0 != main_~tmp~8; 105#L902true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, 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; 100#L825-1true [2018-12-09 11:58:02,414 INFO L796 eck$LassoCheckResult]: Loop: 100#L825-1true assume !false; 12#L563true assume test_~splverifierCounter~0 < 4; 68#L564true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 93#L572true assume !(0 != test_~tmp~3); 95#L572-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L582true assume !(0 != test_~tmp___0~0); 34#L582-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 67#L592true assume 0 != test_~tmp___2~0; 60#L598-1true assume !(0 != ~pumpRunning~0); 56#L631true assume !(0 != ~systemActive~0); 90#L638true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 16#L497true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 98#L825true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 100#L825-1true [2018-12-09 11:58:02,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,418 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 11:58:02,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:02,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2018-12-09 11:58:02,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:02,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,548 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2018-12-09 11:58:02,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:02,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:02,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:02,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:58:02,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:58:02,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:58:02,688 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-12-09 11:58:02,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:02,777 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2018-12-09 11:58:02,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:58:02,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2018-12-09 11:58:02,782 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2018-12-09 11:58:02,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2018-12-09 11:58:02,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2018-12-09 11:58:02,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2018-12-09 11:58:02,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2018-12-09 11:58:02,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 11:58:02,788 INFO L705 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2018-12-09 11:58:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2018-12-09 11:58:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2018-12-09 11:58:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-09 11:58:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2018-12-09 11:58:02,812 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-12-09 11:58:02,812 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-12-09 11:58:02,812 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 11:58:02,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2018-12-09 11:58:02,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-12-09 11:58:02,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:58:02,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:58:02,814 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,814 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:02,814 INFO L794 eck$LassoCheckResult]: Stem: 460#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~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 386#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 387#L536 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 384#L544 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 385#L925 assume 0 != main_~tmp~8; 457#L902 havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, 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; 455#L825-1 [2018-12-09 11:58:02,814 INFO L796 eck$LassoCheckResult]: Loop: 455#L825-1 assume !false; 391#L563 assume test_~splverifierCounter~0 < 4; 392#L564 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 458#L572 assume !(0 != test_~tmp~3); 466#L572-1 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 426#L582 assume !(0 != test_~tmp___0~0); 427#L582-1 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 429#L592 assume 0 != test_~tmp___2~0; 454#L598-1 assume !(0 != ~pumpRunning~0); 420#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 441#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret50, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 443#L663-1 assume !(0 != ~pumpRunning~0); 446#L638 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 399#L497 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 400#L825 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 455#L825-1 [2018-12-09 11:58:02,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,814 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 11:58:02,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:02,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2018-12-09 11:58:02,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,844 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 11:58:02,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:02,849 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2018-12-09 11:58:02,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:58:02,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:58:02,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:02,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:58:08,114 WARN L180 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 11:58:10,678 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 11:58:10,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 11:58:10 BoogieIcfgContainer [2018-12-09 11:58:10,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 11:58:10,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:58:10,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:58:10,711 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:58:10,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:02" (3/4) ... [2018-12-09 11:58:10,713 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 11:58:10,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_990159be-75f5-4a04-8802-5ee4de870f12/bin-2019/uautomizer/witness.graphml [2018-12-09 11:58:10,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:58:10,744 INFO L168 Benchmark]: Toolchain (without parser) took 9068.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 956.0 MB in the beginning and 979.2 MB in the end (delta: -23.2 MB). Peak memory consumption was 301.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,744 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 11:58:10,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:10,745 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,745 INFO L168 Benchmark]: RCFGBuilder took 341.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,745 INFO L168 Benchmark]: BuchiAutomizer took 8370.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 342.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:10,745 INFO L168 Benchmark]: Witness Printer took 32.22 ms. Allocated memory is still 1.4 GB. Free memory is still 979.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:10,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 268.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8370.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 342.9 MB. Max. memory is 11.5 GB. * Witness Printer took 32.22 ms. Allocated memory is still 1.4 GB. Free memory is still 979.2 MB. There was no memory consumed. 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 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: 562]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74ccfcf5=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71858d38=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aae5ef3=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39559085=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c0a846f=0, NULL=0, NULL=31, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1933cc6c=0, NULL=11, NULL=28, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@728fbf4c=0, tmp=0, NULL=0, NULL=0, tmp=0, NULL=34, tmp___1=0, NULL=36, NULL=8, NULL=16, NULL=22, NULL=38, cleanupTimeShifts=4, NULL=39, NULL=15, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=19, NULL=18, NULL=0, tmp___0=0, NULL=17, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=33, head=0, pumpRunning=0, \result=0, NULL=35, NULL=0, NULL=0, NULL=27, tmp=1, NULL=0, retValue_acc=1, NULL=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40d3dbd2=0, tmp=1, tmp___2=56, retValue_acc=1, NULL=12, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2357e3e4=0, head=0, NULL=0, tmp=0, NULL=20, NULL=26, NULL=0, NULL=37, NULL=0, NULL=0, NULL=23, NULL=24, NULL=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L843] int cleanupTimeShifts = 4; [L916] int retValue_acc ; [L917] int tmp ; [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L686] int tmp ; [L689] COND FALSE !(\read(pumpRunning)) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L818] int tmp ; [L819] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L823] tmp = getWaterLevel() [L825] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...