./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/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 cea13255bd81d7ff756db691b6bf5b4173b6edc1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-11-10 01:01:36,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:01:36,461 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:01:36,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:01:36,469 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:01:36,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:01:36,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:01:36,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:01:36,472 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:01:36,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:01:36,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:01:36,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:01:36,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:01:36,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:01:36,475 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:01:36,476 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:01:36,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:01:36,478 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:01:36,479 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:01:36,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:01:36,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:01:36,482 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:01:36,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:01:36,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:01:36,484 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:01:36,484 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:01:36,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:01:36,485 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:01:36,486 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:01:36,487 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:01:36,487 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:01:36,487 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:01:36,487 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:01:36,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:01:36,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:01:36,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:01:36,489 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 01:01:36,500 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:01:36,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:01:36,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:01:36,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:01:36,501 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 01:01:36,501 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 01:01:36,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:01:36,502 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 01:01:36,503 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 01:01:36,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:01:36,504 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 01:01:36,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:01:36,505 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 01:01:36,505 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 01:01:36,505 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 01:01:36,506 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_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/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 -> cea13255bd81d7ff756db691b6bf5b4173b6edc1 [2018-11-10 01:01:36,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:01:36,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:01:36,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:01:36,538 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:01:36,539 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:01:36,539 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-11-10 01:01:36,579 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/data/4723d813e/28d78e9589fb4900b2592d25467bf624/FLAGfd6a612dd [2018-11-10 01:01:36,950 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:01:36,951 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/sv-benchmarks/c/product-lines/minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-11-10 01:01:36,957 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/data/4723d813e/28d78e9589fb4900b2592d25467bf624/FLAGfd6a612dd [2018-11-10 01:01:36,967 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/data/4723d813e/28d78e9589fb4900b2592d25467bf624 [2018-11-10 01:01:36,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:01:36,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:01:36,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:01:36,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:01:36,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:01:36,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:01:36" (1/1) ... [2018-11-10 01:01:36,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abbe121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:36, skipping insertion in model container [2018-11-10 01:01:36,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:01:36" (1/1) ... [2018-11-10 01:01:36,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:01:37,020 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:01:37,232 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:01:37,241 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:01:37,299 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:01:37,315 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:01:37,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37 WrapperNode [2018-11-10 01:01:37,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:01:37,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:01:37,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:01:37,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:01:37,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:01:37,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:01:37,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:01:37,411 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:01:37,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... [2018-11-10 01:01:37,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:01:37,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:01:37,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:01:37,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:01:37,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/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 [2018-11-10 01:01:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:01:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:01:38,121 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:01:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:01:38 BoogieIcfgContainer [2018-11-10 01:01:38,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:01:38,122 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 01:01:38,122 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 01:01:38,124 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 01:01:38,124 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:01:38,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:01:36" (1/3) ... [2018-11-10 01:01:38,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3293d41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:01:38, skipping insertion in model container [2018-11-10 01:01:38,125 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:01:38,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:01:37" (2/3) ... [2018-11-10 01:01:38,126 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3293d41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:01:38, skipping insertion in model container [2018-11-10 01:01:38,126 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 01:01:38,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:01:38" (3/3) ... [2018-11-10 01:01:38,127 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product20_false-unreach-call_false-termination.cil.c [2018-11-10 01:01:38,165 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 01:01:38,165 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 01:01:38,165 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 01:01:38,166 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 01:01:38,166 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:01:38,166 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:01:38,166 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 01:01:38,166 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:01:38,166 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 01:01:38,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-10 01:01:38,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-10 01:01:38,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:01:38,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:01:38,205 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:38,205 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:38,205 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 01:01:38,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states. [2018-11-10 01:01:38,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-10 01:01:38,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:01:38,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:01:38,211 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:38,211 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:38,216 INFO L793 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string33.base, #t~string33.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string43.base, #t~string43.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string45.base, #t~string45.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 0 := 79];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 1 := 110];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string47.base, #t~string47.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 0 := 79];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 1 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 2 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string49.base, #t~string49.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 0 := 44];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 1 := 80];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 2 := 117];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 3 := 109];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 4 := 112];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 5 := 58];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string51.base, #t~string51.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 0 := 79];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 1 := 110];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 0 := 79];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 1 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 2 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 0 := 41];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 1 := 32];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 0 := 10];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string64.base, #t~string64.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 0 := 44];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 1 := 77];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 2 := 101];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 3 := 116];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 4 := 104];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 5 := 58];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 0 := 67];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 1 := 82];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 2 := 73];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 3 := 84];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 0 := 79];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 1 := 75];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string72.base, #t~string72.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 0 := 41];#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 1 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 22#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 60#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 14#L73true main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 79#L531true assume main_~tmp~3 != 0;assume { :begin_inline_setup } true; 56#L507true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3#L775-3true [2018-11-10 01:01:38,217 INFO L795 eck$LassoCheckResult]: Loop: 3#L775-3true assume true; 27#L775-1true assume !false; 82#L776true assume test_~splverifierCounter~0 < 4; 43#L777true test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 53#L785true assume !(test_~tmp~7 != 0); 58#L785-2true test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 101#L795true assume !(test_~tmp___0~2 != 0); 91#L795-2true test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 38#L805true assume !(test_~tmp___2~0 != 0);test_~tmp___1~1 := test_#t~nondet62;havoc test_#t~nondet62; 40#L813true assume !(test_~tmp___1~1 != 0); 41#L813-2true assume { :begin_inline_timeShift } true; 96#L597true assume !(~pumpRunning~0 != 0); 80#L597-2true assume !(~systemActive~0 != 0); 37#L604-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 6#L877true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 103#L558true assume __utac_acc__Specification3_spec__1_~tmp~4 != 0; 81#L564-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 69#L614true assume { :end_inline_timeShift } true; 3#L775-3true [2018-11-10 01:01:38,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 01:01:38,224 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:38,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1992480013, now seen corresponding path program 1 times [2018-11-10 01:01:38,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:38,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,391 INFO L82 PathProgramCache]: Analyzing trace with hash -809838665, now seen corresponding path program 1 times [2018-11-10 01:01:38,392 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:38,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:01:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:01:38,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:01:38,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 01:01:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 01:01:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 01:01:38,620 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 6 states. [2018-11-10 01:01:38,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:01:38,839 INFO L93 Difference]: Finished difference Result 392 states and 502 transitions. [2018-11-10 01:01:38,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 01:01:38,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 392 states and 502 transitions. [2018-11-10 01:01:38,849 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 256 [2018-11-10 01:01:38,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 392 states to 352 states and 462 transitions. [2018-11-10 01:01:38,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 352 [2018-11-10 01:01:38,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2018-11-10 01:01:38,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 352 states and 462 transitions. [2018-11-10 01:01:38,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 01:01:38,860 INFO L705 BuchiCegarLoop]: Abstraction has 352 states and 462 transitions. [2018-11-10 01:01:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states and 462 transitions. [2018-11-10 01:01:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 162. [2018-11-10 01:01:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-10 01:01:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 213 transitions. [2018-11-10 01:01:38,894 INFO L728 BuchiCegarLoop]: Abstraction has 162 states and 213 transitions. [2018-11-10 01:01:38,894 INFO L608 BuchiCegarLoop]: Abstraction has 162 states and 213 transitions. [2018-11-10 01:01:38,894 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 01:01:38,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 213 transitions. [2018-11-10 01:01:38,896 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2018-11-10 01:01:38,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:01:38,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:01:38,896 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:38,896 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] [2018-11-10 01:01:38,897 INFO L793 eck$LassoCheckResult]: Stem: 618#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string33.base, #t~string33.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string43.base, #t~string43.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string45.base, #t~string45.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 0 := 79];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 1 := 110];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string47.base, #t~string47.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 0 := 79];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 1 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 2 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string49.base, #t~string49.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 0 := 44];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 1 := 80];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 2 := 117];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 3 := 109];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 4 := 112];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 5 := 58];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string51.base, #t~string51.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 0 := 79];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 1 := 110];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 0 := 79];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 1 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 2 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 0 := 41];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 1 := 32];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 0 := 10];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string64.base, #t~string64.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 0 := 44];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 1 := 77];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 2 := 101];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 3 := 116];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 4 := 104];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 5 := 58];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 0 := 67];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 1 := 82];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 2 := 73];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 3 := 84];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 0 := 79];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 1 := 75];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string72.base, #t~string72.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 0 := 41];#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 1 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 548#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 549#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 556#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 545#L73 main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 546#L531 assume main_~tmp~3 != 0;assume { :begin_inline_setup } true; 597#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 525#L775-3 [2018-11-10 01:01:38,897 INFO L795 eck$LassoCheckResult]: Loop: 525#L775-3 assume true; 526#L775-1 assume !false; 563#L776 assume test_~splverifierCounter~0 < 4; 581#L777 test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 582#L785 assume !(test_~tmp~7 != 0); 557#L785-2 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 599#L795 assume !(test_~tmp___0~2 != 0); 617#L795-2 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 573#L805 assume test_~tmp___2~0 != 0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 567#L761 assume { :end_inline_startSystem } true; 568#L813-2 assume { :begin_inline_timeShift } true; 578#L597 assume !(~pumpRunning~0 != 0); 596#L597-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 570#L629 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 537#L621-1 assume { :end_inline_processEnvironment__wrappee__base } true; 534#L629-1 assume { :end_inline_processEnvironment } true; 552#L604-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 531#L877 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 532#L558 assume __utac_acc__Specification3_spec__1_~tmp~4 != 0; 576#L564-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 609#L614 assume { :end_inline_timeShift } true; 525#L775-3 [2018-11-10 01:01:38,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 01:01:38,901 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:38,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1345646348, now seen corresponding path program 1 times [2018-11-10 01:01:38,945 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 01:01:38,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:38,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:38,954 INFO L82 PathProgramCache]: Analyzing trace with hash -893977168, now seen corresponding path program 1 times [2018-11-10 01:01:38,955 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:38,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:38,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:38,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:01:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:01:39,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:01:39,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 01:01:39,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 01:01:39,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 01:01:39,103 INFO L87 Difference]: Start difference. First operand 162 states and 213 transitions. cyclomatic complexity: 54 Second operand 5 states. [2018-11-10 01:01:39,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:01:39,225 INFO L93 Difference]: Finished difference Result 565 states and 746 transitions. [2018-11-10 01:01:39,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 01:01:39,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 565 states and 746 transitions. [2018-11-10 01:01:39,230 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 430 [2018-11-10 01:01:39,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 565 states to 565 states and 746 transitions. [2018-11-10 01:01:39,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 565 [2018-11-10 01:01:39,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 565 [2018-11-10 01:01:39,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 565 states and 746 transitions. [2018-11-10 01:01:39,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 01:01:39,237 INFO L705 BuchiCegarLoop]: Abstraction has 565 states and 746 transitions. [2018-11-10 01:01:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states and 746 transitions. [2018-11-10 01:01:39,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 317. [2018-11-10 01:01:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-10 01:01:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 411 transitions. [2018-11-10 01:01:39,254 INFO L728 BuchiCegarLoop]: Abstraction has 317 states and 411 transitions. [2018-11-10 01:01:39,254 INFO L608 BuchiCegarLoop]: Abstraction has 317 states and 411 transitions. [2018-11-10 01:01:39,254 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 01:01:39,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 317 states and 411 transitions. [2018-11-10 01:01:39,255 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 234 [2018-11-10 01:01:39,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 01:01:39,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 01:01:39,256 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:01:39,256 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, 1, 1] [2018-11-10 01:01:39,256 INFO L793 eck$LassoCheckResult]: Stem: 1371#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string33.base, #t~string33.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string43.base, #t~string43.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string45.base, #t~string45.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 0 := 79];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 1 := 110];#memory_int := #memory_int[#t~string45.base,#t~string45.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string47.base, #t~string47.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 0 := 79];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 1 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 2 := 102];#memory_int := #memory_int[#t~string47.base,#t~string47.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string49.base, #t~string49.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 0 := 44];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 1 := 80];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 2 := 117];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 3 := 109];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 4 := 112];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 5 := 58];#memory_int := #memory_int[#t~string49.base,#t~string49.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string51.base, #t~string51.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 0 := 79];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 1 := 110];#memory_int := #memory_int[#t~string51.base,#t~string51.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 0 := 79];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 1 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 2 := 102];#memory_int := #memory_int[#t~string53.base,#t~string53.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 0 := 41];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 1 := 32];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 0 := 10];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string64.base, #t~string64.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string66.base, #t~string66.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 0 := 44];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 1 := 77];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 2 := 101];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 3 := 116];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 4 := 104];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 5 := 58];#memory_int := #memory_int[#t~string66.base,#t~string66.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string68.base, #t~string68.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 0 := 67];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 1 := 82];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 2 := 73];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 3 := 84];#memory_int := #memory_int[#t~string68.base,#t~string68.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 0 := 79];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 1 := 75];#memory_int := #memory_int[#t~string70.base,#t~string70.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string72.base, #t~string72.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 0 := 41];#memory_int := #memory_int[#t~string72.base,#t~string72.offset + 1 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 1296#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1301#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1290#L73 main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 1291#L531 assume main_~tmp~3 != 0;assume { :begin_inline_setup } true; 1347#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1270#L775-3 [2018-11-10 01:01:39,257 INFO L795 eck$LassoCheckResult]: Loop: 1270#L775-3 assume true; 1271#L775-1 assume !false; 1309#L776 assume test_~splverifierCounter~0 < 4; 1373#L777 test_~tmp~7 := test_#t~nondet59;havoc test_#t~nondet59; 1345#L785 assume !(test_~tmp~7 != 0); 1302#L785-2 test_~tmp___0~2 := test_#t~nondet60;havoc test_#t~nondet60; 1349#L795 assume !(test_~tmp___0~2 != 0); 1381#L795-2 test_~tmp___2~0 := test_#t~nondet61;havoc test_#t~nondet61; 1322#L805 assume test_~tmp___2~0 != 0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1313#L761 assume { :end_inline_startSystem } true; 1314#L813-2 assume { :begin_inline_timeShift } true; 1386#L597 assume !(~pumpRunning~0 != 0); 1346#L597-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1318#L629 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1280#L621-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1277#L629-1 assume { :end_inline_processEnvironment } true; 1293#L604-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1321#L877 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1390#L558 assume !(__utac_acc__Specification3_spec__1_~tmp~4 != 0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1334#L909 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 1335#L564 assume !(__utac_acc__Specification3_spec__1_~tmp___0~0 == 2); 1372#L564-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1359#L614 assume { :end_inline_timeShift } true; 1270#L775-3 [2018-11-10 01:01:39,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:39,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-10 01:01:39,257 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:39,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:39,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:39,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:39,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:39,291 INFO L82 PathProgramCache]: Analyzing trace with hash -379732569, now seen corresponding path program 1 times [2018-11-10 01:01:39,292 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:39,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:39,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,292 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 01:01:39,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:39,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:01:39,300 INFO L82 PathProgramCache]: Analyzing trace with hash -117347485, now seen corresponding path program 1 times [2018-11-10 01:01:39,300 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 01:01:39,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 01:01:39,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:01:39,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:01:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:01:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:02:54,303 WARN L179 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 01:03:37,545 WARN L179 SmtUtils]: Spent 43.24 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 01:03:37,601 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:03:37,606 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:03:37,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:03:37 BoogieIcfgContainer [2018-11-10 01:03:37,618 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 01:03:37,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:03:37,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:03:37,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:03:37,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:01:38" (3/4) ... [2018-11-10 01:03:37,622 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 01:03:37,662 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e7b3f5b-ea42-4bd0-a94f-527ab11e2f11/bin-2019/uautomizer/witness.graphml [2018-11-10 01:03:37,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:03:37,663 INFO L168 Benchmark]: Toolchain (without parser) took 120692.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,663 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:03:37,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.02 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 928.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,664 INFO L168 Benchmark]: Boogie Preprocessor took 32.85 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. [2018-11-10 01:03:37,664 INFO L168 Benchmark]: RCFGBuilder took 677.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,665 INFO L168 Benchmark]: BuchiAutomizer took 119496.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 312.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,665 INFO L168 Benchmark]: Witness Printer took 44.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:03:37,667 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.02 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 928.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 928.9 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.85 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. * RCFGBuilder took 677.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 119496.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 312.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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 6 locations. The remainder module has 317 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 118.9s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 438 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 317 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 337 SDtfs, 1263 SDslu, 1515 SDs, 0 SdLazy, 93 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 775]: Nontermination argument in form of an infinite program execution. [2018-11-10 01:03:37,672 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:03:37,673 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:03:37,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:03:37,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@170ffa28=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31e0f1b0=0, "Env(Water:%i"=0, "Off"=0, ") "=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c66ccf=0, retValue_acc=1, "On"=0, retValue_acc=0, "Pump(System:"=0, ")"=40, "Env(Water:%i"=36, methaneLevelCritical=0, NULL=2, "CRIT"=0, "__utac__get_this_argtype"=18, ",Meth:"=0, tmp=0, "CRIT"=42, tmp___1=0, "libacc.c"=23, "libacc.c"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bc8b972=0, tmp___0=1, "libacc.c"=31, "i > 0 && i <= this->argsCount"=24, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=20, tmp=0, "On"=8, "Off"=14, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6069adb9=0, retValue_acc=0, ",Pump:"=0, "Off"=16, ") "=0, "\n"=0, "Off"=0, \result=1, head=0, pumpRunning=0, ",Pump:"=15, "\n"=11, \result=0, "__utac__get_this_arg"=29, tmp=1, "i > 0 && i <= this->argsCount"=0, ",Meth:"=38, "OK"=0, "__utac__get_this_argtype"=0, "On"=0, NULL=0, "i > 0 && i <= this->argsCount"=28, ")"=0, retValue_acc=1, tmp___2=154, tmp___0=0, "__utac__get_this_argtype"=22, splverifierCounter=0, \result=0, "OK"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4693776b=0, tmp___1=0, head=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_arg"=26, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=33, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39160541=0, "libacc.c"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f2fce2e=154, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d8fbee5=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=17, NULL=40, "On"=12} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 775]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] CALL "i > 0 && i <= this->argsCount" [L375] RET "i > 0 && i <= this->argsCount" [L375] CALL "libacc.c" [L375] RET "libacc.c" [L376] CALL "__utac__get_this_arg" [L376] RET "__utac__get_this_arg" [L382] CALL "i > 0 && i <= this->argsCount" [L382] RET "i > 0 && i <= this->argsCount" [L382] CALL "libacc.c" [L382] RET "libacc.c" [L383] CALL "__utac__get_this_arg" [L383] RET "__utac__get_this_arg" [L421] CALL "i > 0 && i <= this->argsCount" [L421] RET "i > 0 && i <= this->argsCount" [L421] CALL "libacc.c" [L421] RET "libacc.c" [L422] CALL "__utac__get_this_argtype" [L422] RET "__utac__get_this_argtype" [L428] CALL "i > 0 && i <= this->argsCount" [L428] RET "i > 0 && i <= this->argsCount" [L428] CALL "libacc.c" [L428] RET "libacc.c" [L429] CALL "__utac__get_this_argtype" [L429] RET "__utac__get_this_argtype" [L691] CALL "Pump(System:" [L691] RET "Pump(System:" [L695] CALL "On" [L695] RET "On" [L699] CALL "Off" [L699] RET "Off" [L703] CALL ",Pump:" [L703] RET ",Pump:" [L707] CALL "On" [L707] RET "On" [L711] CALL "Off" [L711] RET "Off" [L715] CALL ") " [L715] RET ") " [L717] CALL "\n" [L717] RET "\n" [L886] CALL "Env(Water:%i" [L886] RET "Env(Water:%i" [L887] CALL ",Meth:" [L887] RET ",Meth:" [L891] CALL "CRIT" [L891] RET "CRIT" [L895] CALL "OK" [L895] RET "OK" [L899] CALL ")" [L899] RET ")" [L444] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L529] EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L516] CALL test() [L766] int splverifierCounter ; [L767] int tmp ; [L768] int tmp___0 ; [L769] int tmp___1 ; [L770] int tmp___2 ; [L773] splverifierCounter = 0 Loop: [L775] COND TRUE 1 [L777] COND TRUE splverifierCounter < 4 [L783] tmp = __VERIFIER_nondet_int() [L785] COND FALSE !(\read(tmp)) [L793] tmp___0 = __VERIFIER_nondet_int() [L795] COND FALSE !(\read(tmp___0)) [L803] tmp___2 = __VERIFIER_nondet_int() [L805] COND TRUE \read(tmp___2) [L807] CALL startSystem() [L760] RET systemActive = 1 [L807] startSystem() [L822] CALL timeShift() [L597] COND FALSE !(\read(pumpRunning)) [L604] COND TRUE \read(systemActive) [L606] CALL processEnvironment() [L626] int tmp ; [L629] COND FALSE !(\read(pumpRunning)) [L644] RET, FCALL processEnvironment__wrappee__base() [L606] processEnvironment() [L612] CALL __utac_acc__Specification3_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; [L556] CALL, EXPR isMethaneLevelCritical() [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] RET return (retValue_acc); [L556] EXPR isMethaneLevelCritical() [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) [L562] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] RET return (retValue_acc); [L562] EXPR getWaterLevel() [L562] tmp___0 = getWaterLevel() [L564] COND FALSE, RET !(tmp___0 == 2) [L612] RET __utac_acc__Specification3_spec__1() [L822] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...