./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/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 cf347ee6b7145f66d1d9f7a0b777d2801d91233d ................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 11:01:21,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:01:21,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:01:21,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:01:21,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:01:21,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:01:21,363 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:01:21,365 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:01:21,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:01:21,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:01:21,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:01:21,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:01:21,370 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:01:21,371 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:01:21,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:01:21,372 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:01:21,373 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:01:21,374 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:01:21,376 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:01:21,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:01:21,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:01:21,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:01:21,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:01:21,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:01:21,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:01:21,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:01:21,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:01:21,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:01:21,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:01:21,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:01:21,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:01:21,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:01:21,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:01:21,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:01:21,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:01:21,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:01:21,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:01:21,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:01:21,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:01:21,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:01:21,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:01:21,400 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:01:21,400 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:01:21,400 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:01:21,400 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:01:21,400 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:01:21,401 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:01:21,401 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:01:21,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:01:21,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:01:21,401 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:01:21,402 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:01:21,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:01:21,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:01:21,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:01:21,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:01:21,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:01:21,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:01:21,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:01:21,403 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:01:21,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:01:21,404 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:01:21,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:01:21,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:01:21,404 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:01:21,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:01:21,405 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:01:21,405 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:01:21,405 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:01:21,406 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_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/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 -> cf347ee6b7145f66d1d9f7a0b777d2801d91233d [2018-11-28 11:01:21,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:01:21,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:01:21,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:01:21,447 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:01:21,447 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:01:21,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-28 11:01:21,501 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/data/4f180ca65/7dea117889ac42c6be49537fd2fe43d9/FLAG1f25ebdc8 [2018-11-28 11:01:21,876 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:01:21,877 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-28 11:01:21,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/data/4f180ca65/7dea117889ac42c6be49537fd2fe43d9/FLAG1f25ebdc8 [2018-11-28 11:01:22,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/data/4f180ca65/7dea117889ac42c6be49537fd2fe43d9 [2018-11-28 11:01:22,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:01:22,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:01:22,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:01:22,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:01:22,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:01:22,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fc7e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22, skipping insertion in model container [2018-11-28 11:01:22,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:01:22,311 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:01:22,519 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:01:22,531 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:01:22,644 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:01:22,666 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:01:22,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22 WrapperNode [2018-11-28 11:01:22,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:01:22,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:01:22,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:01:22,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:01:22,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:01:22,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:01:22,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:01:22,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:01:22,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... [2018-11-28 11:01:22,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:01:22,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:01:22,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:01:22,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:01:22,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/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 [2018-11-28 11:01:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:01:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:01:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:01:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:01:23,219 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:01:23,220 INFO L280 CfgBuilder]: Removed 84 assue(true) statements. [2018-11-28 11:01:23,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:01:23 BoogieIcfgContainer [2018-11-28 11:01:23,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:01:23,221 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:01:23,221 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:01:23,225 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:01:23,226 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:01:23,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:01:22" (1/3) ... [2018-11-28 11:01:23,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bf9dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:01:23, skipping insertion in model container [2018-11-28 11:01:23,227 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:01:23,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:01:22" (2/3) ... [2018-11-28 11:01:23,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54bf9dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:01:23, skipping insertion in model container [2018-11-28 11:01:23,228 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:01:23,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:01:23" (3/3) ... [2018-11-28 11:01:23,230 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-28 11:01:23,286 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:01:23,286 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:01:23,286 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:01:23,286 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:01:23,286 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:01:23,286 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:01:23,287 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:01:23,287 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:01:23,287 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:01:23,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2018-11-28 11:01:23,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-11-28 11:01:23,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:01:23,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:01:23,327 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:23,327 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:23,327 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:01:23,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2018-11-28 11:01:23,330 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-11-28 11:01:23,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:01:23,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:01:23,331 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:23,331 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:23,335 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0; 6#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 27#L261true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 65#L269true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 61#L225true assume 0 != main_~tmp~0; 66#L196true ~switchedOnBeforeTS~0 := 0; 57#L862true havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 41#L883-1true [2018-11-28 11:01:23,336 INFO L796 eck$LassoCheckResult]: Loop: 41#L883-1true assume !false; 62#L434true assume test_~splverifierCounter~0 < 4; 7#L435true test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 22#L443true assume !(0 != test_~tmp~2); 25#L443-1true test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 11#L453true assume !(0 != test_~tmp___0~0); 3#L453-1true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 67#L463true assume 0 != test_~tmp___2~0; 18#L469-1true havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 51#L367true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 39#L872true assume !(0 != ~pumpRunning~0); 46#L290true assume 0 != ~systemActive~0; 16#L297true havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 26#L121true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 36#L883true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 41#L883-1true [2018-11-28 11:01:23,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:01:23,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:23,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:23,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:01:23,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:23,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash -242843208, now seen corresponding path program 1 times [2018-11-28 11:01:23,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:23,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:23,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:01:23,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:23,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1691182002, now seen corresponding path program 1 times [2018-11-28 11:01:23,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:23,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:23,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:01:23,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:01:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:01:23,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:01:23,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:01:23,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:01:23,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:01:23,882 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2018-11-28 11:01:24,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:01:24,006 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2018-11-28 11:01:24,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:01:24,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2018-11-28 11:01:24,014 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2018-11-28 11:01:24,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2018-11-28 11:01:24,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2018-11-28 11:01:24,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2018-11-28 11:01:24,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2018-11-28 11:01:24,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:01:24,022 INFO L705 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2018-11-28 11:01:24,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2018-11-28 11:01:24,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2018-11-28 11:01:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 11:01:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2018-11-28 11:01:24,057 INFO L728 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2018-11-28 11:01:24,057 INFO L608 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2018-11-28 11:01:24,057 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:01:24,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2018-11-28 11:01:24,059 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2018-11-28 11:01:24,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:01:24,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:01:24,060 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:24,060 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:01:24,061 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0; 260#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 261#L261 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 291#L269 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 329#L225 assume 0 != main_~tmp~0; 330#L196 ~switchedOnBeforeTS~0 := 0; 327#L862 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L883-1 [2018-11-28 11:01:24,065 INFO L796 eck$LassoCheckResult]: Loop: 257#L883-1 assume !false; 314#L434 assume test_~splverifierCounter~0 < 4; 262#L435 test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 263#L443 assume !(0 != test_~tmp~2); 284#L443-1 test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 265#L453 assume !(0 != test_~tmp___0~0); 254#L453-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 255#L463 assume 0 != test_~tmp___2~0; 278#L469-1 havoc __utac_acc__Specification5_spec__2_#t~ret69;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 279#L367 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 311#L872 assume !(0 != ~pumpRunning~0); 312#L290 assume 0 != ~systemActive~0; 320#L297 havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 289#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 290#L883 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 307#L367-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 325#L887 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 257#L883-1 [2018-11-28 11:01:24,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:24,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:01:24,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:24,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:24,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:01:24,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:24,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:24,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1444103597, now seen corresponding path program 1 times [2018-11-28 11:01:24,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:24,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:24,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,123 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:01:24,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:24,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:01:24,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1728251341, now seen corresponding path program 1 times [2018-11-28 11:01:24,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:01:24,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:01:24,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:01:24,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:01:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:01:29,598 WARN L180 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:01:32,142 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:01:32,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:01:32 BoogieIcfgContainer [2018-11-28 11:01:32,182 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:01:32,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:01:32,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:01:32,183 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:01:32,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:01:23" (3/4) ... [2018-11-28 11:01:32,187 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:01:32,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec4e02c5-fcc6-49fa-83ed-2c2739c60542/bin-2019/uautomizer/witness.graphml [2018-11-28 11:01:32,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:01:32,228 INFO L168 Benchmark]: Toolchain (without parser) took 9963.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 949.9 MB in the beginning and 964.9 MB in the end (delta: -15.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,229 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:01:32,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:01:32,230 INFO L168 Benchmark]: Boogie Preprocessor took 24.26 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,230 INFO L168 Benchmark]: RCFGBuilder took 492.07 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,231 INFO L168 Benchmark]: BuchiAutomizer took 8961.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 971.9 MB in the end (delta: 96.7 MB). Peak memory consumption was 254.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,231 INFO L168 Benchmark]: Witness Printer took 44.48 ms. Allocated memory is still 1.2 GB. Free memory was 971.9 MB in the beginning and 964.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:01:32,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.26 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.07 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8961.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 971.9 MB in the end (delta: 96.7 MB). Peak memory consumption was 254.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.48 ms. Allocated memory is still 1.2 GB. Free memory was 971.9 MB in the beginning and 964.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.6s. 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, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 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: 433]: 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=14, NULL=0, NULL=0, NULL=0, NULL=37, NULL=42, NULL=0, retValue_acc=0, NULL=28, NULL=0, NULL=36, NULL=17, NULL=24, methaneLevelCritical=0, tmp=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77fd74e3=0, tmp___1=0, NULL=35, NULL=15, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=26, \result=0, NULL=16, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f66e2e6=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f7d7b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d18b738=0, tmp=1, NULL=31, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@455e58b7=0, tmp___0=0, NULL=40, NULL=34, NULL=0, NULL=23, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@195b5ac2=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b7fe933=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@578d2c5a=0, retValue_acc=1, NULL=27, NULL=18, tmp___2=56, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=29, head=0, NULL=12, NULL=22, NULL=33, NULL=19, NULL=20, retValue_acc=0, NULL=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L135] int cleanupTimeShifts = 4; [L278] int pumpRunning = 0; [L279] int systemActive = 1; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int switchedOnBeforeTS ; [L216] int retValue_acc ; [L217] int tmp ; [L265] int retValue_acc ; [L268] retValue_acc = 1 [L269] return (retValue_acc); [L223] tmp = valid_product() [L225] COND TRUE \read(tmp) [L861] switchedOnBeforeTS = 0 [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 Loop: [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] return (retValue_acc); [L870] switchedOnBeforeTS = isPumpRunning() [L290] COND FALSE !(\read(pumpRunning)) [L297] COND TRUE \read(systemActive) [L876] int tmp ; [L877] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L881] tmp = getWaterLevel() [L883] COND TRUE tmp != 2 [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] return (retValue_acc); [L885] tmp___0 = isPumpRunning() [L887] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...