./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.24-91b1670 [2018-11-28 23:39:14,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:39:14,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:39:14,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:39:14,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:39:14,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:39:14,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:39:14,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:39:14,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:39:14,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:39:14,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:39:14,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:39:14,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:39:14,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:39:14,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:39:14,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:39:14,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:39:14,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:39:14,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:39:14,853 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:39:14,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:39:14,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:39:14,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:39:14,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:39:14,859 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:39:14,860 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:39:14,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:39:14,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:39:14,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:39:14,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:39:14,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:39:14,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:39:14,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:39:14,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:39:14,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:39:14,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:39:14,869 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:39:14,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:39:14,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:39:14,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:39:14,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:39:14,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:39:14,889 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:39:14,889 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:39:14,890 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:39:14,890 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:39:14,890 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:39:14,890 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:39:14,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:39:14,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:39:14,891 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:39:14,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:39:14,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:39:14,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:39:14,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:39:14,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:39:14,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:39:14,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:39:14,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:39:14,894 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:39:14,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:39:14,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:39:14,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:39:14,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:39:14,895 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:39:14,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:39:14,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:39:14,897 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:39:14,897 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:39:14,898 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 23:39:14,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:39:14,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:39:14,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:39:14,950 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:39:14,951 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:39:14,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 23:39:15,012 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cd5a56d/24b1ecd6877a42c1b806628395fdb3a2/FLAG85a0fc14a [2018-11-28 23:39:15,760 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:39:15,760 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/psyco/psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 23:39:15,791 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cd5a56d/24b1ecd6877a42c1b806628395fdb3a2/FLAG85a0fc14a [2018-11-28 23:39:15,874 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cd5a56d/24b1ecd6877a42c1b806628395fdb3a2 [2018-11-28 23:39:15,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:39:15,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:39:15,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:39:15,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:39:15,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:39:15,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:15" (1/1) ... [2018-11-28 23:39:15,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489f8a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:15, skipping insertion in model container [2018-11-28 23:39:15,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:15" (1/1) ... [2018-11-28 23:39:15,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:39:16,028 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:39:16,864 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:39:16,870 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:39:17,159 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:39:17,173 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:39:17,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17 WrapperNode [2018-11-28 23:39:17,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:39:17,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:39:17,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:39:17,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:39:17,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:39:17,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:39:17,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:39:17,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:39:17,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... [2018-11-28 23:39:17,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:39:17,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:39:17,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:39:17,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:39:17,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:39:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:39:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:39:22,217 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:39:22,218 INFO L280 CfgBuilder]: Removed 25 assue(true) statements. [2018-11-28 23:39:22,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:22 BoogieIcfgContainer [2018-11-28 23:39:22,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:39:22,219 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:39:22,220 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:39:22,223 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:39:22,224 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:39:22,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:39:15" (1/3) ... [2018-11-28 23:39:22,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@725f3f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:39:22, skipping insertion in model container [2018-11-28 23:39:22,225 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:39:22,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:17" (2/3) ... [2018-11-28 23:39:22,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@725f3f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:39:22, skipping insertion in model container [2018-11-28 23:39:22,230 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:39:22,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:22" (3/3) ... [2018-11-28 23:39:22,232 INFO L375 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1_true-unreach-call_false-termination.c [2018-11-28 23:39:22,291 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:39:22,292 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:39:22,292 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:39:22,292 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:39:22,292 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:39:22,292 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:39:22,292 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:39:22,293 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:39:22,293 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:39:22,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2018-11-28 23:39:22,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-28 23:39:22,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:39:22,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:39:22,372 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:39:22,372 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:39:22,372 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:39:22,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2018-11-28 23:39:22,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2018-11-28 23:39:22,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:39:22,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:39:22,387 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:39:22,387 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:39:22,396 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 23:39:22,397 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 23:39:22,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:22,402 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 23:39:22,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:22,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:22,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:22,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:22,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:22,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2018-11-28 23:39:22,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:22,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:22,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:22,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:22,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:22,561 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2018-11-28 23:39:22,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:22,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:22,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:22,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:39:22,675 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 23:39:22,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:39:22,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:39:22,979 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 23:39:23,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:39:23,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:39:23,066 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 23:39:23,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:39:23,572 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2018-11-28 23:39:23,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:39:23,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2018-11-28 23:39:23,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2018-11-28 23:39:23,592 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2018-11-28 23:39:23,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2018-11-28 23:39:23,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2018-11-28 23:39:23,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2018-11-28 23:39:23,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:39:23,602 INFO L705 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 23:39:23,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2018-11-28 23:39:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-11-28 23:39:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-28 23:39:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2018-11-28 23:39:23,666 INFO L728 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 23:39:23,666 INFO L608 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2018-11-28 23:39:23,666 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:39:23,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2018-11-28 23:39:23,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2018-11-28 23:39:23,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:39:23,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:39:23,674 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 23:39:23,674 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:39:23,674 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 23:39:23,674 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 23:39:23,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:23,676 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-28 23:39:23,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:23,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:23,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:23,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:23,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2018-11-28 23:39:23,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:23,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:23,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:23,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:23,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:39:23,741 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2018-11-28 23:39:23,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:39:23,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:39:23,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:39:23,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:39:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:39:24,010 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:39:24,217 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:39:24,419 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:39:24,521 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:39:24,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:39:24 BoogieIcfgContainer [2018-11-28 23:39:24,575 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:39:24,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:39:24,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:39:24,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:39:24,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:22" (3/4) ... [2018-11-28 23:39:24,580 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:39:24,631 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:39:24,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:39:24,632 INFO L168 Benchmark]: Toolchain (without parser) took 8753.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 942.0 MB in the beginning and 828.7 MB in the end (delta: 113.3 MB). Peak memory consumption was 285.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,633 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:39:24,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1292.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 813.0 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 338.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 813.0 MB in the beginning and 1.1 GB in the end (delta: -325.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,636 INFO L168 Benchmark]: Boogie Preprocessor took 139.25 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,636 INFO L168 Benchmark]: RCFGBuilder took 4564.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.4 MB in the end (delta: 205.4 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,637 INFO L168 Benchmark]: BuchiAutomizer took 2355.33 ms. Allocated memory is still 1.2 GB. Free memory was 915.4 MB in the beginning and 828.7 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:39:24,638 INFO L168 Benchmark]: Witness Printer took 56.20 ms. Allocated memory is still 1.2 GB. Free memory is still 828.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:39:24,642 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1292.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 813.0 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 338.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 813.0 MB in the beginning and 1.1 GB in the end (delta: -325.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.25 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4564.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.4 MB in the end (delta: 205.4 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2355.33 ms. Allocated memory is still 1.2 GB. Free memory was 915.4 MB in the beginning and 828.7 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.20 ms. Allocated memory is still 1.2 GB. Free memory is still 828.7 MB. 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 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.4s. Büchi inclusion checks took 0.1s. 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, 0.4s 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@258c4694=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1284cc26=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1291d674=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9af1f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f64723e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c3a61a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bac347=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@443ad46d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c58298=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37949b3a=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@62682535=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@762844f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f7dbad5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24cc6f35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@349a984b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d7138ed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aeb714=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33154cf1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10cf354=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@467e9187=0, P5=0, P1=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20842226=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77c67a88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bbf03cc=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c5d1135=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@771bdcf8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@92e4c9b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14e75261=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1573c7c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5125fdd5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5287255e=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534bec49=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@779f3386=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a7d3bd6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b051271=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5263e99a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bf75fcf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@472096fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@492d9e9d=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a5dbfe5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79a8a045=0, P6=0, P2=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7941ba0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19792da9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d6bc83b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@796cc40a=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b01f844=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6198bd03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d89b0c7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d4dc0ba=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e84e138=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21d73e76=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b6a132=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23085af3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@360036f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d826e41=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@371149e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42fc7c73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4004ee8b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb1c584=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@585394e8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cd0e4cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f55994e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f3051a3=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@478643dd=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b9aca30=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f7ccd0d=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12a14dde=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@704294a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c7d07a3=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@223e6570=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4529b70a=0, m_disconnect=2, P3=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5443ff1b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c90f0e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14ba553d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52af3456=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a7c5efa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f80e65e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6855c0dc=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@195fb23f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12c37e3b=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5496d2e3=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...