./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/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 ede185df305af642a5265096891dc95893f4609c ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:33:25,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:25,567 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:25,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:25,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:25,576 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:25,577 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:25,577 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:25,578 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:25,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:25,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:25,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:25,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:25,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:25,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:25,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:25,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:25,583 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:25,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:25,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:25,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:25,587 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:25,589 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:25,589 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:25,589 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:25,590 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:25,591 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:25,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:25,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:25,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:25,593 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:25,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:25,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:25,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:25,594 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:25,595 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:25,595 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:33:25,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:25,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:25,605 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:25,605 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:25,605 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:25,605 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:33:25,605 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:33:25,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:25,606 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:25,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:25,608 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:33:25,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:25,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:33:25,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:25,608 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:25,608 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:33:25,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:25,611 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:25,611 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:33:25,612 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:33:25,612 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_6eb0c586-137d-4020-9bcb-e7a186ef021c/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 -> ede185df305af642a5265096891dc95893f4609c [2018-11-28 10:33:25,635 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:25,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:25,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:25,648 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:25,648 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:25,649 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/../../sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 10:33:25,688 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/data/6c74d35b3/56102d964a6d417895655e4e35cd404d/FLAGaabd9c398 [2018-11-28 10:33:26,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:26,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/sv-benchmarks/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 10:33:26,291 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/data/6c74d35b3/56102d964a6d417895655e4e35cd404d/FLAGaabd9c398 [2018-11-28 10:33:26,668 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/data/6c74d35b3/56102d964a6d417895655e4e35cd404d [2018-11-28 10:33:26,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:26,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:26,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:26,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:26,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:26,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:26" (1/1) ... [2018-11-28 10:33:26,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75db7e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:26, skipping insertion in model container [2018-11-28 10:33:26,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:26" (1/1) ... [2018-11-28 10:33:26,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:26,751 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:27,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:27,201 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:27,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:27,524 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:27,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27 WrapperNode [2018-11-28 10:33:27,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:27,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:27,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:27,525 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:27,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:27,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:27,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:27,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:27,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:27,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:27,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:27,711 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:27,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 10:33:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:29,230 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:29,230 INFO L280 CfgBuilder]: Removed 25 assue(true) statements. [2018-11-28 10:33:29,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:29 BoogieIcfgContainer [2018-11-28 10:33:29,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:29,232 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:33:29,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:33:29,238 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:33:29,239 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:29,239 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:33:26" (1/3) ... [2018-11-28 10:33:29,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24ce2025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:29, skipping insertion in model container [2018-11-28 10:33:29,240 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:29,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (2/3) ... [2018-11-28 10:33:29,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24ce2025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:29, skipping insertion in model container [2018-11-28 10:33:29,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:29,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:29" (3/3) ... [2018-11-28 10:33:29,243 INFO L375 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 10:33:29,290 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:29,291 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:33:29,291 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:33:29,291 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:33:29,291 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:29,292 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:29,292 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:33:29,292 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:29,292 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:33:29,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2018-11-28 10:33:29,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-28 10:33:29,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:29,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:29,347 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 10:33:29,348 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:29,348 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:33:29,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2018-11-28 10:33:29,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-28 10:33:29,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:29,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:29,355 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 10:33:29,355 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:29,362 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue ~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 12#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 116#L32-2true [2018-11-28 10:33:29,363 INFO L796 eck$LassoCheckResult]: Loop: 116#L32-2true goto; 234#L1246true assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := (if 0 == main_#t~nondet3 then 0 else 1);havoc main_#t~nondet3;main_~P5~0 := (if 0 == main_#t~nondet4 then 0 else 1);havoc main_#t~nondet4;main_~P6~0 := (if 0 == main_#t~nondet5 then 0 else 1);havoc main_#t~nondet5; 92#L44true assume !(0 == main_~q~0); 60#L64true assume !(1 == main_~q~0); 104#L148true assume !(2 == main_~q~0); 61#L328true assume !(3 == main_~q~0); 85#L1068true assume !(4 == main_~q~0); 116#L32-2true [2018-11-28 10:33:29,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,368 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 10:33:29,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2018-11-28 10:33:29,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,488 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2018-11-28 10:33:29,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:29,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:29,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:29,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:29,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:29,634 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 10:33:29,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:29,895 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2018-11-28 10:33:29,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:29,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2018-11-28 10:33:29,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2018-11-28 10:33:29,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2018-11-28 10:33:29,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2018-11-28 10:33:29,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2018-11-28 10:33:29,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2018-11-28 10:33:29,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:33:29,911 INFO L705 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 10:33:29,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2018-11-28 10:33:29,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-11-28 10:33:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-28 10:33:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2018-11-28 10:33:29,944 INFO L728 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 10:33:29,944 INFO L608 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 10:33:29,944 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:33:29,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2018-11-28 10:33:29,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2018-11-28 10:33:29,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:29,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:29,946 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 10:33:29,946 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 10:33:29,947 INFO L794 eck$LassoCheckResult]: Stem: 602#ULTIMATE.startENTRY ~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 494#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 495#L32-2 goto; 620#L1246 [2018-11-28 10:33:29,947 INFO L796 eck$LassoCheckResult]: Loop: 620#L1246 assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := (if 0 == main_#t~nondet3 then 0 else 1);havoc main_#t~nondet3;main_~P5~0 := (if 0 == main_#t~nondet4 then 0 else 1);havoc main_#t~nondet4;main_~P6~0 := (if 0 == main_#t~nondet5 then 0 else 1);havoc main_#t~nondet5; 603#L44 assume 0 == main_~q~0; 604#L45 assume !(0 != main_#t~nondet6);havoc main_#t~nondet6; 620#L1246 [2018-11-28 10:33:29,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,947 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-28 10:33:29,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,960 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2018-11-28 10:33:29,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,970 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2018-11-28 10:33:29,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:30,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:33:30 BoogieIcfgContainer [2018-11-28 10:33:30,180 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:33:30,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:33:30,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:33:30,181 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:33:30,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:29" (3/4) ... [2018-11-28 10:33:30,184 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 10:33:30,224 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6eb0c586-137d-4020-9bcb-e7a186ef021c/bin-2019/uautomizer/witness.graphml [2018-11-28 10:33:30,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:33:30,225 INFO L168 Benchmark]: Toolchain (without parser) took 3554.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.3 MB). Free memory was 942.6 MB in the beginning and 1.2 GB in the end (delta: -244.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:30,226 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:30,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 121.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:30,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.18 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:30,228 INFO L168 Benchmark]: Boogie Preprocessor took 79.48 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:30,228 INFO L168 Benchmark]: RCFGBuilder took 1520.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:30,229 INFO L168 Benchmark]: BuchiAutomizer took 947.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 878.7 MB in the beginning and 1.2 GB in the end (delta: -308.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:30,229 INFO L168 Benchmark]: Witness Printer took 44.23 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:30,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 852.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 121.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.18 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: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.48 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1520.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 947.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 878.7 MB in the beginning and 1.2 GB in the end (delta: -308.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 44.23 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 403 SDtfs, 4 SDslu, 325 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 32]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {m_getValueY=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70384d63=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40c35aad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f084cce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7304f3c6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65555ef1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4852e05b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ac6952=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c37c7d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a27cb3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fee5898=0, P4=0, this_m_sensitivity=100, this_m_samples=200, m_update=6, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c91c28d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fdea109=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@460a48a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49f19b78=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e6d4768=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8d5eb9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b76ad61=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51ba8bef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45618622=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@effad=0, P5=0, P1=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5521bba3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1efe802=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e829c18=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13de1e48=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17f7c159=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@670d1f24=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@110dedab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49a9b08a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3778ee45=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dc0d6ee=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ab0cf48=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23acfaa5=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d88820f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6782cfb0=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a4a9e09=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b043a94=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bd49687=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f69328a=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46884792=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3786efbc=0, P6=0, P2=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4510f514=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5152acd9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@403b48dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@568218d0=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3294977c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f3cd328=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14f8ef41=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5008bd63=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aef7216=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c6da703=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@489f1a8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24f0f790=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1328e278=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37a83c65=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2793d6f5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c781f6f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3befdb3f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1fae18=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75f16815=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b640ce8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71025e20=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c116536=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bca0545=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705f9295=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38ebdd4d=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65b57cb3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27d182=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@405f7f24=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dd95af5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78aa5852=0, m_disconnect=2, P3=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1af922fa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bda3ccf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@304fc0cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ce96146=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68392765=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e32a58a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a02c509=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f546ad3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5020fb2=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b05ce41=0, m_dataReceived=7} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 32]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L5] int m_init = 1; [L6] int m_disconnect = 2; [L7] int m_getValueX = 3; [L8] int m_getValueY = 4; [L9] int m_Accelerometer = 5; [L10] int m_update = 6; [L11] int m_dataReceived = 7; [L12] int m_connect_1 = 8; [L13] int m_connect_2 = 9; [L18] int q = 0; [L19] int method_id; [L22] int this_m_conn = 0; [L23] int this_m_sensitivity = 100; [L24] int this_m_samples = 200; [L25] int this_m_delta = 1; [L26] int this_m_accX = 0; [L27] int this_m_sensorInfo = 0; [L28] int this_m_conn_data_listener = 0; [L29] int this_m_accY = 0; Loop: [L32] COND TRUE 1 [L35] int P1=__VERIFIER_nondet_int(); [L36] int P2=__VERIFIER_nondet_int(); [L37] int P3=__VERIFIER_nondet_int(); [L38] _Bool P4=__VERIFIER_nondet_int(); [L39] _Bool P5=__VERIFIER_nondet_int(); [L40] _Bool P6=__VERIFIER_nondet_int(); [L44] COND TRUE q == 0 [L45] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...