./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10_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_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/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 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:27:53,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:27:53,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:27:53,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:27:53,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:27:53,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:27:53,138 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:27:53,139 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:27:53,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:27:53,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:27:53,140 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:27:53,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:27:53,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:27:53,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:27:53,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:27:53,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:27:53,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:27:53,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:27:53,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:27:53,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:27:53,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:27:53,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:27:53,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:27:53,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:27:53,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:27:53,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:27:53,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:27:53,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:27:53,149 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:27:53,150 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:27:53,150 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:27:53,150 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:27:53,150 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:27:53,151 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:27:53,151 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:27:53,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:27:53,151 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 00:27:53,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:27:53,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:27:53,160 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 00:27:53,160 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 00:27:53,160 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 00:27:53,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 00:27:53,161 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 00:27:53,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 00:27:53,162 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 00:27:53,162 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 00:27:53,163 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 00:27:53,163 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_197b3ece-8c5d-461a-b576-c738e16da922/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 -> 2d67e274f27aefaa19a6f68f7cefceb62c152ab0 [2018-12-02 00:27:53,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:27:53,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:27:53,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:27:53,189 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:27:53,190 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:27:53,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-12-02 00:27:53,224 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/data/32316a29e/c016454acbc54cc6aa5ed02d9023797c/FLAG9b2340588 [2018-12-02 00:27:53,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:27:53,659 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/sv-benchmarks/c/product-lines/minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-12-02 00:27:53,665 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/data/32316a29e/c016454acbc54cc6aa5ed02d9023797c/FLAG9b2340588 [2018-12-02 00:27:54,049 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/data/32316a29e/c016454acbc54cc6aa5ed02d9023797c [2018-12-02 00:27:54,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:27:54,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 00:27:54,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:27:54,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:27:54,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:27:54,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54, skipping insertion in model container [2018-12-02 00:27:54,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:27:54,080 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:27:54,222 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:27:54,231 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:27:54,317 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:27:54,337 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:27:54,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54 WrapperNode [2018-12-02 00:27:54,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:27:54,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 00:27:54,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 00:27:54,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 00:27:54,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 00:27:54,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:27:54,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:27:54,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:27:54,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... [2018-12-02 00:27:54,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:27:54,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:27:54,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:27:54,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:27:54,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 00:27:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 00:27:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 00:27:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:27:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:27:54,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:27:54,729 INFO L280 CfgBuilder]: Removed 82 assue(true) statements. [2018-12-02 00:27:54,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:54 BoogieIcfgContainer [2018-12-02 00:27:54,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:27:54,730 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 00:27:54,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 00:27:54,733 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 00:27:54,733 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 00:27:54,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:27:54" (1/3) ... [2018-12-02 00:27:54,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dd49eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:27:54, skipping insertion in model container [2018-12-02 00:27:54,735 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 00:27:54,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:54" (2/3) ... [2018-12-02 00:27:54,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dd49eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:27:54, skipping insertion in model container [2018-12-02 00:27:54,735 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 00:27:54,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:54" (3/3) ... [2018-12-02 00:27:54,737 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10_true-unreach-call_false-termination.cil.c [2018-12-02 00:27:54,771 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 00:27:54,771 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 00:27:54,771 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 00:27:54,771 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 00:27:54,771 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 00:27:54,771 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 00:27:54,771 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 00:27:54,772 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 00:27:54,772 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 00:27:54,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-12-02 00:27:54,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-02 00:27:54,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 00:27:54,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 00:27:54,801 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:54,802 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:54,802 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 00:27:54,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2018-12-02 00:27:54,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-02 00:27:54,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 00:27:54,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 00:27:54,806 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:54,806 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:54,810 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 15#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 28#L882true assume 0 != main_~tmp~6; 65#L858true ~switchedOnBeforeTS~0 := 0; 29#L172true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L193-1true [2018-12-02 00:27:54,811 INFO L796 eck$LassoCheckResult]: Loop: 13#L193-1true assume !false; 60#L595true assume test_~splverifierCounter~0 < 4; 10#L596true test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 30#L604true assume !(0 != test_~tmp~4); 33#L604-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 19#L614true assume !(0 != test_~tmp___0~1); 22#L614-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 63#L624true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 6#L632-2true havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 64#L741true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 14#L182true assume !(0 != ~pumpRunning~0); 46#L664true assume 0 != ~systemActive~0; 57#L671true havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 59#L159true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 16#L193true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 13#L193-1true [2018-12-02 00:27:54,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-02 00:27:54,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:54,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:27:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:54,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:54,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2018-12-02 00:27:54,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:54,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:54,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:27:54,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:54,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:54,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2018-12-02 00:27:54,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:54,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:54,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:27:54,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:27:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:27:55,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:27:55,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:27:55,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:27:55,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:27:55,166 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2018-12-02 00:27:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:27:55,266 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2018-12-02 00:27:55,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 00:27:55,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2018-12-02 00:27:55,272 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-12-02 00:27:55,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2018-12-02 00:27:55,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2018-12-02 00:27:55,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2018-12-02 00:27:55,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2018-12-02 00:27:55,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 00:27:55,279 INFO L705 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2018-12-02 00:27:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2018-12-02 00:27:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2018-12-02 00:27:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-02 00:27:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2018-12-02 00:27:55,303 INFO L728 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-12-02 00:27:55,304 INFO L608 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2018-12-02 00:27:55,304 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 00:27:55,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2018-12-02 00:27:55,305 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2018-12-02 00:27:55,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 00:27:55,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 00:27:55,305 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:55,305 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:27:55,305 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4; 256#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 257#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 254#L73 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 255#L882 assume 0 != main_~tmp~6; 282#L858 ~switchedOnBeforeTS~0 := 0; 283#L172 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 245#L193-1 [2018-12-02 00:27:55,305 INFO L796 eck$LassoCheckResult]: Loop: 245#L193-1 assume !false; 265#L595 assume test_~splverifierCounter~0 < 4; 258#L596 test_~tmp~4 := test_#t~nondet49;havoc test_#t~nondet49; 259#L604 assume !(0 != test_~tmp~4); 284#L604-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 274#L614 assume !(0 != test_~tmp___0~1); 276#L614-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 280#L624 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 248#L632-2 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 251#L741 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 340#L182 assume !(0 != ~pumpRunning~0); 339#L664 assume 0 != ~systemActive~0; 318#L671 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 319#L159 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 269#L193 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 270#L741-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 244#L197 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 245#L193-1 [2018-12-02 00:27:55,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:55,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-02 00:27:55,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:55,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:55,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:27:55,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:55,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:55,334 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2018-12-02 00:27:55,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:55,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,335 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 00:27:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:55,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:27:55,342 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2018-12-02 00:27:55,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:27:55,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:27:55,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:27:55,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:27:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:27:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:28:00,514 WARN L180 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-02 00:28:03,008 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-02 00:28:03,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:28:03 BoogieIcfgContainer [2018-12-02 00:28:03,044 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 00:28:03,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:28:03,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:28:03,044 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:28:03,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:54" (3/4) ... [2018-12-02 00:28:03,046 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 00:28:03,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_197b3ece-8c5d-461a-b576-c738e16da922/bin-2019/uautomizer/witness.graphml [2018-12-02 00:28:03,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:28:03,075 INFO L168 Benchmark]: Toolchain (without parser) took 9024.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.6 MB in the beginning and 893.0 MB in the end (delta: 57.6 MB). Peak memory consumption was 206.0 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,076 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:28:03,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,077 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,077 INFO L168 Benchmark]: RCFGBuilder took 336.51 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,077 INFO L168 Benchmark]: BuchiAutomizer took 8314.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 141.1 MB). Peak memory consumption was 265.5 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,077 INFO L168 Benchmark]: Witness Printer took 30.90 ms. Allocated memory is still 1.2 GB. Free memory was 898.4 MB in the beginning and 893.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 00:28:03,079 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.51 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8314.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 898.4 MB in the end (delta: 141.1 MB). Peak memory consumption was 265.5 MB. Max. memory is 11.5 GB. * Witness Printer took 30.90 ms. Allocated memory is still 1.2 GB. Free memory was 898.4 MB in the beginning and 893.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 8.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. 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: 594]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=14, NULL=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d5ac7dd=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b108b1d=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5939546c=0, NULL=0, NULL=0, retValue_acc=0, NULL=22, NULL=35, methaneLevelCritical=0, NULL=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b2127b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34061819=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37a9a68=0, NULL=24, tmp=0, NULL=29, NULL=0, NULL=8, NULL=0, NULL=36, NULL=18, tmp___1=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=40, cleanupTimeShifts=4, NULL=11, switchedOnBeforeTS=0, NULL=23, NULL=37, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=28, NULL=0, NULL=27, NULL=26, NULL=0, NULL=0, retValue_acc=1, NULL=17, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=34, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6db87c4=0, retValue_acc=1, tmp___2=56, tmp___0=0, splverifierCounter=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c8d8fce=0, NULL=20, head=0, NULL=12, NULL=0, NULL=38, NULL=33, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L166] int switchedOnBeforeTS ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L799] int cleanupTimeShifts = 4; [L873] int retValue_acc ; [L874] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L880] tmp = valid_product() [L882] COND TRUE \read(tmp) [L171] switchedOnBeforeTS = 0 [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 Loop: [L594] COND TRUE 1 [L596] COND TRUE splverifierCounter < 4 [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) [L785] systemActive = 1 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L180] switchedOnBeforeTS = isPumpRunning() [L664] COND FALSE !(\read(pumpRunning)) [L671] COND TRUE \read(systemActive) [L186] int tmp ; [L187] int tmp___0 ; [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L191] tmp = getWaterLevel() [L193] COND TRUE tmp != 2 [L737] int retValue_acc ; [L740] retValue_acc = pumpRunning [L741] return (retValue_acc); [L195] tmp___0 = isPumpRunning() [L197] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...