./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product46_false-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_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product46_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/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 209a5f451d4da606f6f89775a0cb8490169e98a1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:55:02,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:55:02,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:55:02,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:55:02,051 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:55:02,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:55:02,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:55:02,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:55:02,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:55:02,054 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:55:02,055 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:55:02,055 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:55:02,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:55:02,056 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:55:02,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:55:02,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:55:02,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:55:02,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:55:02,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:55:02,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:55:02,060 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:55:02,061 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:55:02,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:55:02,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:55:02,062 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:55:02,063 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:55:02,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:55:02,064 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:55:02,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:55:02,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:55:02,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:55:02,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:55:02,065 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:55:02,065 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:55:02,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:55:02,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:55:02,066 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 08:55:02,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:55:02,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:55:02,074 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:55:02,074 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:55:02,074 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:55:02,074 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 08:55:02,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:55:02,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 08:55:02,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:55:02,076 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 08:55:02,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:55:02,077 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:55:02,077 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 08:55:02,077 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 08:55:02,077 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_1c33933c-f56d-487e-9826-263ee3ed45dc/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 -> 209a5f451d4da606f6f89775a0cb8490169e98a1 [2018-12-02 08:55:02,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:55:02,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:55:02,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:55:02,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:55:02,107 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:55:02,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product46_false-unreach-call_false-termination.cil.c [2018-12-02 08:55:02,151 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/data/372d8a01e/2247773123834e778e5a69461abee11e/FLAG06947586b [2018-12-02 08:55:02,528 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:55:02,528 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/sv-benchmarks/c/product-lines/minepump_spec4_product46_false-unreach-call_false-termination.cil.c [2018-12-02 08:55:02,534 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/data/372d8a01e/2247773123834e778e5a69461abee11e/FLAG06947586b [2018-12-02 08:55:02,542 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/data/372d8a01e/2247773123834e778e5a69461abee11e [2018-12-02 08:55:02,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:55:02,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:55:02,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:02,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:55:02,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:55:02,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02, skipping insertion in model container [2018-12-02 08:55:02,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:55:02,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:55:02,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:02,764 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:55:02,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:02,819 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:55:02,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02 WrapperNode [2018-12-02 08:55:02,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:02,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:02,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:55:02,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:55:02,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:02,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:55:02,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:55:02,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:55:02,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... [2018-12-02 08:55:02,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:55:02,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:55:02,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:55:02,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:55:02,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/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 08:55:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:55:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:55:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:55:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:55:03,245 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:55:03,245 INFO L280 CfgBuilder]: Removed 194 assue(true) statements. [2018-12-02 08:55:03,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:03 BoogieIcfgContainer [2018-12-02 08:55:03,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:55:03,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 08:55:03,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 08:55:03,248 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 08:55:03,248 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:55:03,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:55:02" (1/3) ... [2018-12-02 08:55:03,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183020bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:55:03, skipping insertion in model container [2018-12-02 08:55:03,249 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:55:03,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:02" (2/3) ... [2018-12-02 08:55:03,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@183020bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:55:03, skipping insertion in model container [2018-12-02 08:55:03,249 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:55:03,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:03" (3/3) ... [2018-12-02 08:55:03,250 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product46_false-unreach-call_false-termination.cil.c [2018-12-02 08:55:03,281 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:55:03,281 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 08:55:03,281 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 08:55:03,281 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 08:55:03,282 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:55:03,282 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:55:03,282 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 08:55:03,282 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:55:03,282 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 08:55:03,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2018-12-02 08:55:03,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2018-12-02 08:55:03,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:55:03,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:55:03,313 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,313 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,313 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 08:55:03,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2018-12-02 08:55:03,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2018-12-02 08:55:03,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:55:03,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:55:03,317 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,317 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,321 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 100#L941true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 115#L949true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 77#L130true assume 0 != main_~tmp~0; 28#L103true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 44#L155-1true [2018-12-02 08:55:03,321 INFO L796 eck$LassoCheckResult]: Loop: 44#L155-1true assume !false; 32#L863true assume test_~splverifierCounter~0 < 4; 103#L864true test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 104#L872true assume !(0 != test_~tmp~9); 106#L872-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 38#L882true assume !(0 != test_~tmp___0~2); 40#L882-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 85#L892true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 91#L900-2true assume !(0 != ~pumpRunning~0); 76#L562true assume !(0 != ~systemActive~0); 111#L569true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 8#L833true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 47#L155true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 44#L155-1true [2018-12-02 08:55:03,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,324 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 08:55:03,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:03,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1678359101, now seen corresponding path program 1 times [2018-12-02 08:55:03,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:03,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:03,482 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 08:55:03,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:03,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:55:03,486 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 08:55:03,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:03,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:03,496 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 3 states. [2018-12-02 08:55:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:03,523 INFO L93 Difference]: Finished difference Result 126 states and 179 transitions. [2018-12-02 08:55:03,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:03,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 179 transitions. [2018-12-02 08:55:03,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-12-02 08:55:03,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 119 states and 171 transitions. [2018-12-02 08:55:03,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2018-12-02 08:55:03,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2018-12-02 08:55:03,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 171 transitions. [2018-12-02 08:55:03,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 08:55:03,535 INFO L705 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2018-12-02 08:55:03,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 171 transitions. [2018-12-02 08:55:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-02 08:55:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-02 08:55:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2018-12-02 08:55:03,554 INFO L728 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2018-12-02 08:55:03,554 INFO L608 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2018-12-02 08:55:03,555 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 08:55:03,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 171 transitions. [2018-12-02 08:55:03,556 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-12-02 08:55:03,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:55:03,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:55:03,556 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,556 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,557 INFO L794 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 280#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 281#L941 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 372#L949 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 364#L130 assume 0 != main_~tmp~0; 308#L103 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 309#L155-1 [2018-12-02 08:55:03,557 INFO L796 eck$LassoCheckResult]: Loop: 309#L155-1 assume !false; 314#L863 assume test_~splverifierCounter~0 < 4; 315#L864 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 374#L872 assume !(0 != test_~tmp~9); 369#L872-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 322#L882 assume !(0 != test_~tmp___0~2); 323#L882-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 327#L892 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 365#L900-2 assume !(0 != ~pumpRunning~0); 293#L562 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 350#L620 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret38, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 351#L594-1 assume !(0 == ~pumpRunning~0); 332#L569 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 271#L833 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 272#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 309#L155-1 [2018-12-02 08:55:03,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,557 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 08:55:03,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:03,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1075674043, now seen corresponding path program 1 times [2018-12-02 08:55:03,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,611 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:55:03,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:03,622 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 08:55:03,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:03,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:55:03,623 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 08:55:03,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:03,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:03,623 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-12-02 08:55:03,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:03,682 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2018-12-02 08:55:03,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:03,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 219 transitions. [2018-12-02 08:55:03,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-12-02 08:55:03,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 219 transitions. [2018-12-02 08:55:03,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2018-12-02 08:55:03,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2018-12-02 08:55:03,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 219 transitions. [2018-12-02 08:55:03,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 08:55:03,686 INFO L705 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2018-12-02 08:55:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 219 transitions. [2018-12-02 08:55:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-02 08:55:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-02 08:55:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2018-12-02 08:55:03,691 INFO L728 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2018-12-02 08:55:03,691 INFO L608 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2018-12-02 08:55:03,691 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 08:55:03,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 219 transitions. [2018-12-02 08:55:03,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2018-12-02 08:55:03,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:55:03,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:55:03,692 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,692 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:03,692 INFO L794 eck$LassoCheckResult]: Stem: 660#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~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~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);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);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);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(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #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(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #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(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 565#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 566#L941 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 665#L949 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 651#L130 assume 0 != main_~tmp~0; 593#L103 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 594#L155-1 [2018-12-02 08:55:03,693 INFO L796 eck$LassoCheckResult]: Loop: 594#L155-1 assume !false; 599#L863 assume test_~splverifierCounter~0 < 4; 600#L864 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 667#L872 assume !(0 != test_~tmp~9); 662#L872-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 608#L882 assume !(0 != test_~tmp___0~2); 609#L882-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 613#L892 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 655#L900-2 assume !(0 != ~pumpRunning~0); 658#L562 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 639#L620 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret38, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 640#L594-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 571#L841-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 572#L846-1 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 598#L739-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 569#L739-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 570#L745-1 processEnvironment__wrappee__methaneQuery_#t~ret38 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret38;havoc processEnvironment__wrappee__methaneQuery_#t~ret38; 645#L598-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5); 618#L569 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 556#L833 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 557#L155 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 594#L155-1 [2018-12-02 08:55:03,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,693 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-02 08:55:03,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:03,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash -515194543, now seen corresponding path program 1 times [2018-12-02 08:55:03,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,721 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:55:03,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:03,731 INFO L82 PathProgramCache]: Analyzing trace with hash -59123349, now seen corresponding path program 1 times [2018-12-02 08:55:03,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:55:03,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:55:03,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:03,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:55:08,145 WARN L180 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 08:55:10,204 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 08:55:10,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:55:10 BoogieIcfgContainer [2018-12-02 08:55:10,240 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 08:55:10,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:55:10,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:55:10,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:55:10,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:03" (3/4) ... [2018-12-02 08:55:10,243 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 08:55:10,281 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c33933c-f56d-487e-9826-263ee3ed45dc/bin-2019/uautomizer/witness.graphml [2018-12-02 08:55:10,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:55:10,282 INFO L168 Benchmark]: Toolchain (without parser) took 7737.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -71.0 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,282 INFO L168 Benchmark]: CDTParser took 0.15 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 08:55:10,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.61 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,283 INFO L168 Benchmark]: Boogie Preprocessor took 23.47 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,283 INFO L168 Benchmark]: RCFGBuilder took 365.00 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,284 INFO L168 Benchmark]: BuchiAutomizer took 6994.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.2 MB). Peak memory consumption was 365.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:55:10,284 INFO L168 Benchmark]: Witness Printer took 40.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:55:10,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 274.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.61 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.47 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 365.00 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: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6994.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.2 MB). Peak memory consumption was 365.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.61 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 160 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 160 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 332 SDtfs, 304 SDslu, 57 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 862]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=33, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=37, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, NULL=0, NULL=15, NULL=0, NULL=39, tmp___1=0, tmp=0, retValue_acc=0, NULL=23, tmp___0=0, cleanupTimeShifts=4, NULL=14, NULL=20, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a136ec1=0, NULL=8, NULL=31, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c8d8fce=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54cef7c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d76e82b=0, NULL=0, \result=0, NULL=27, NULL=35, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=28, NULL=34, \result=0, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62665ac5=0, NULL=38, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@593ee29d=0, NULL=0, NULL=0, NULL=0, NULL=12, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@692ae75=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@482267ed=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ab07358=0, NULL=24, tmp=1, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2743a381=0, tmp___2=56, tmp___0=0, NULL=18, NULL=19, splverifierCounter=0, head=0, NULL=0, NULL=22, NULL=0, tmp=0, NULL=16, NULL=0, NULL=0, NULL=11, NULL=36, NULL=29, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int pumpRunning = 0; [L556] int systemActive = 1; [L758] int waterLevel = 1; [L759] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L945] int retValue_acc ; [L948] retValue_acc = 1 [L949] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L853] int splverifierCounter ; [L854] int tmp ; [L855] int tmp___0 ; [L856] int tmp___1 ; [L857] int tmp___2 ; [L860] splverifierCounter = 0 Loop: [L862] COND TRUE 1 [L864] COND TRUE splverifierCounter < 4 [L870] tmp = __VERIFIER_nondet_int() [L872] COND FALSE !(\read(tmp)) [L880] tmp___0 = __VERIFIER_nondet_int() [L882] COND FALSE !(\read(tmp___0)) [L890] tmp___2 = __VERIFIER_nondet_int() [L892] COND TRUE \read(tmp___2) [L753] systemActive = 1 [L562] COND FALSE !(\read(pumpRunning)) [L569] COND TRUE \read(systemActive) [L617] int tmp ; [L620] COND FALSE !(\read(pumpRunning)) [L591] int tmp ; [L594] COND TRUE ! pumpRunning [L731] int retValue_acc ; [L732] int tmp ; [L733] int tmp___0 ; [L838] int retValue_acc ; [L841] COND TRUE waterLevel < 2 [L842] retValue_acc = 1 [L843] return (retValue_acc); [L737] tmp = isHighWaterSensorDry() [L739] COND TRUE \read(tmp) [L740] tmp___0 = 0 [L744] retValue_acc = tmp___0 [L745] return (retValue_acc); [L596] tmp = isHighWaterLevel() [L598] COND FALSE !(\read(tmp)) [L148] int tmp ; [L149] int tmp___0 ; [L829] int retValue_acc ; [L832] retValue_acc = waterLevel [L833] return (retValue_acc); [L153] tmp = getWaterLevel() [L155] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...