./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/psyco/psyco_accelerometer_1.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 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:55:53,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:55:53,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:55:53,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:55:53,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:55:53,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:55:53,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:55:54,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:55:54,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:55:54,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:55:54,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:55:54,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:55:54,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:55:54,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:55:54,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:55:54,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:55:54,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:55:54,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:55:54,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:55:54,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:55:54,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:55:54,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:55:54,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:55:54,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:55:54,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:55:54,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:55:54,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:55:54,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:55:54,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:55:54,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:55:54,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:55:54,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:55:54,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:55:54,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:55:54,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:55:54,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:55:54,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:55:54,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:55:54,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:55:54,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:55:54,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:55:54,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:55:54,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:55:54,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:55:54,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:55:54,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:55:54,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:55:54,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:55:54,070 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:55:54,070 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:55:54,070 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:55:54,070 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:55:54,071 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:55:54,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:55:54,071 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:55:54,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:55:54,071 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:55:54,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:55:54,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:55:54,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:55:54,073 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:55:54,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:55:54,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:55:54,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:55:54,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:55:54,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:55:54,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:55:54,075 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:55:54,075 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2022-02-21 03:55:54,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:55:54,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:55:54,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:55:54,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:55:54,308 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:55:54,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2022-02-21 03:55:54,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d47c8b7/4d9b0e4765cb4e00ada61ee0e54700d8/FLAG2b37fbcce [2022-02-21 03:55:54,841 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:55:54,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2022-02-21 03:55:54,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d47c8b7/4d9b0e4765cb4e00ada61ee0e54700d8/FLAG2b37fbcce [2022-02-21 03:55:55,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02d47c8b7/4d9b0e4765cb4e00ada61ee0e54700d8 [2022-02-21 03:55:55,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:55:55,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:55:55,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:55:55,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:55:55,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:55:55,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:55,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a04611a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55, skipping insertion in model container [2022-02-21 03:55:55,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:55,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:55:55,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:55:55,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2022-02-21 03:55:55,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:55:55,695 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:55:55,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2022-02-21 03:55:55,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:55:55,898 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:55:55,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55 WrapperNode [2022-02-21 03:55:55,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:55:55,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:55:55,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:55:55,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:55:55,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:55,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,076 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1255 [2022-02-21 03:55:56,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:55:56,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:55:56,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:55:56,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:55:56,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:55:56,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:55:56,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:55:56,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:55:56,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (1/1) ... [2022-02-21 03:55:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:55:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:55:56,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:55:56,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 03:55:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:55:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:55:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:55:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:55:56,289 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:55:56,290 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:55:59,929 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:55:59,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:55:59,937 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2022-02-21 03:55:59,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:55:59 BoogieIcfgContainer [2022-02-21 03:55:59,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:55:59,939 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:55:59,939 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:55:59,941 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:55:59,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:55:59,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:55:55" (1/3) ... [2022-02-21 03:55:59,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@783db9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:55:59, skipping insertion in model container [2022-02-21 03:55:59,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:55:59,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:55:55" (2/3) ... [2022-02-21 03:55:59,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@783db9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:55:59, skipping insertion in model container [2022-02-21 03:55:59,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:55:59,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:55:59" (3/3) ... [2022-02-21 03:55:59,944 INFO L388 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2022-02-21 03:55:59,968 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:55:59,968 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:55:59,969 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:55:59,969 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:55:59,969 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:55:59,969 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:55:59,969 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:55:59,969 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:55:59,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2022-02-21 03:56:00,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:56:00,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:56:00,026 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:56:00,026 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:56:00,027 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:56:00,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2022-02-21 03:56:00,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:56:00,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:56:00,042 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:56:00,042 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 03:56:00,046 INFO L791 eck$LassoCheckResult]: Stem: 230#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~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; 172#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~nondet68#1, main_#t~nondet69#1, main_#t~nondet70#1, main_#t~nondet71#1, main_#t~nondet72#1, main_#t~nondet73#1, main_#t~nondet74#1, main_#t~nondet75#1, main_#t~nondet76#1, main_#t~nondet77#1, main_#t~nondet78#1, main_#t~nondet79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_m_conn~0#1, main_~this_m_sensitivity~0#1, main_~this_m_samples~0#1, main_~this_m_delta~0#1, main_~this_m_accX~0#1, main_~this_m_sensorInfo~0#1, main_~this_m_conn_data_listener~0#1, main_~this_m_accY~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_m_conn~0#1 := 0;main_~this_m_sensitivity~0#1 := 100;main_~this_m_samples~0#1 := 200;main_~this_m_delta~0#1 := 1;main_~this_m_accX~0#1 := 0;main_~this_m_sensorInfo~0#1 := 0;main_~this_m_conn_data_listener~0#1 := 0;main_~this_m_accY~0#1 := 0; 173#L34-2true [2022-02-21 03:56:00,046 INFO L793 eck$LassoCheckResult]: Loop: 173#L34-2true goto; 81#L1248true assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := (if 0 == main_#t~nondet7#1 then 0 else 1);havoc main_#t~nondet7#1;main_~P5~0#1 := (if 0 == main_#t~nondet8#1 then 0 else 1);havoc main_#t~nondet8#1;main_~P6~0#1 := (if 0 == main_#t~nondet9#1 then 0 else 1);havoc main_#t~nondet9#1; 14#L46true assume !(0 == main_~q~0#1); 34#L66true assume !(1 == main_~q~0#1); 215#L150true assume !(2 == main_~q~0#1); 47#L330true assume !(3 == main_~q~0#1); 78#L1070true assume !(4 == main_~q~0#1); 173#L34-2true [2022-02-21 03:56:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:56:00,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512622123] [2022-02-21 03:56:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,108 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:56:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,126 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:56:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2022-02-21 03:56:00,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359530554] [2022-02-21 03:56:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:56:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,144 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:56:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2022-02-21 03:56:00,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177843501] [2022-02-21 03:56:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:56:00,191 INFO L290 TraceCheckUtils]: 0: Hoare triple {244#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~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; {244#true} is VALID [2022-02-21 03:56:00,191 INFO L290 TraceCheckUtils]: 1: Hoare triple {244#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~nondet68#1, main_#t~nondet69#1, main_#t~nondet70#1, main_#t~nondet71#1, main_#t~nondet72#1, main_#t~nondet73#1, main_#t~nondet74#1, main_#t~nondet75#1, main_#t~nondet76#1, main_#t~nondet77#1, main_#t~nondet78#1, main_#t~nondet79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_m_conn~0#1, main_~this_m_sensitivity~0#1, main_~this_m_samples~0#1, main_~this_m_delta~0#1, main_~this_m_accX~0#1, main_~this_m_sensorInfo~0#1, main_~this_m_conn_data_listener~0#1, main_~this_m_accY~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_m_conn~0#1 := 0;main_~this_m_sensitivity~0#1 := 100;main_~this_m_samples~0#1 := 200;main_~this_m_delta~0#1 := 1;main_~this_m_accX~0#1 := 0;main_~this_m_sensorInfo~0#1 := 0;main_~this_m_conn_data_listener~0#1 := 0;main_~this_m_accY~0#1 := 0; {246#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-21 03:56:00,192 INFO L290 TraceCheckUtils]: 2: Hoare triple {246#(= |ULTIMATE.start_main_~q~0#1| 0)} goto; {246#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-21 03:56:00,192 INFO L290 TraceCheckUtils]: 3: Hoare triple {246#(= |ULTIMATE.start_main_~q~0#1| 0)} assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := (if 0 == main_#t~nondet7#1 then 0 else 1);havoc main_#t~nondet7#1;main_~P5~0#1 := (if 0 == main_#t~nondet8#1 then 0 else 1);havoc main_#t~nondet8#1;main_~P6~0#1 := (if 0 == main_#t~nondet9#1 then 0 else 1);havoc main_#t~nondet9#1; {246#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-21 03:56:00,193 INFO L290 TraceCheckUtils]: 4: Hoare triple {246#(= |ULTIMATE.start_main_~q~0#1| 0)} assume !(0 == main_~q~0#1); {245#false} is VALID [2022-02-21 03:56:00,193 INFO L290 TraceCheckUtils]: 5: Hoare triple {245#false} assume !(1 == main_~q~0#1); {245#false} is VALID [2022-02-21 03:56:00,193 INFO L290 TraceCheckUtils]: 6: Hoare triple {245#false} assume !(2 == main_~q~0#1); {245#false} is VALID [2022-02-21 03:56:00,193 INFO L290 TraceCheckUtils]: 7: Hoare triple {245#false} assume !(3 == main_~q~0#1); {245#false} is VALID [2022-02-21 03:56:00,193 INFO L290 TraceCheckUtils]: 8: Hoare triple {245#false} assume !(4 == main_~q~0#1); {245#false} is VALID [2022-02-21 03:56:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:56:00,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 03:56:00,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177843501] [2022-02-21 03:56:00,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177843501] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 03:56:00,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 03:56:00,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 03:56:00,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939125322] [2022-02-21 03:56:00,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 03:56:00,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 03:56:00,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 03:56:00,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 03:56:00,325 INFO L87 Difference]: Start difference. First operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:56:00,858 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2022-02-21 03:56:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 03:56:00,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,866 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:56:00,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2022-02-21 03:56:00,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2022-02-21 03:56:00,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2022-02-21 03:56:00,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2022-02-21 03:56:00,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2022-02-21 03:56:00,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2022-02-21 03:56:00,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:56:00,887 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-02-21 03:56:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2022-02-21 03:56:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2022-02-21 03:56:00,910 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 03:56:00,912 INFO L82 GeneralOperation]: Start isEquivalent. First operand 207 states and 322 transitions. Second operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,912 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states and 322 transitions. Second operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,914 INFO L87 Difference]: Start difference. First operand 207 states and 322 transitions. Second operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:56:00,919 INFO L93 Difference]: Finished difference Result 207 states and 322 transitions. [2022-02-21 03:56:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2022-02-21 03:56:00,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:56:00,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:56:00,922 INFO L74 IsIncluded]: Start isIncluded. First operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 207 states and 322 transitions. [2022-02-21 03:56:00,923 INFO L87 Difference]: Start difference. First operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 207 states and 322 transitions. [2022-02-21 03:56:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 03:56:00,928 INFO L93 Difference]: Finished difference Result 207 states and 322 transitions. [2022-02-21 03:56:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2022-02-21 03:56:00,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 03:56:00,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 03:56:00,929 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 03:56:00,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 03:56:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:56:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2022-02-21 03:56:00,936 INFO L704 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-02-21 03:56:00,936 INFO L587 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-02-21 03:56:00,936 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:56:00,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2022-02-21 03:56:00,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2022-02-21 03:56:00,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:56:00,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:56:00,938 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-02-21 03:56:00,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-02-21 03:56:00,938 INFO L791 eck$LassoCheckResult]: Stem: 681#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~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; 661#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~nondet68#1, main_#t~nondet69#1, main_#t~nondet70#1, main_#t~nondet71#1, main_#t~nondet72#1, main_#t~nondet73#1, main_#t~nondet74#1, main_#t~nondet75#1, main_#t~nondet76#1, main_#t~nondet77#1, main_#t~nondet78#1, main_#t~nondet79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_m_conn~0#1, main_~this_m_sensitivity~0#1, main_~this_m_samples~0#1, main_~this_m_delta~0#1, main_~this_m_accX~0#1, main_~this_m_sensorInfo~0#1, main_~this_m_conn_data_listener~0#1, main_~this_m_accY~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_m_conn~0#1 := 0;main_~this_m_sensitivity~0#1 := 100;main_~this_m_samples~0#1 := 200;main_~this_m_delta~0#1 := 1;main_~this_m_accX~0#1 := 0;main_~this_m_sensorInfo~0#1 := 0;main_~this_m_conn_data_listener~0#1 := 0;main_~this_m_accY~0#1 := 0; 662#L34-2 goto; 524#L1248 [2022-02-21 03:56:00,938 INFO L793 eck$LassoCheckResult]: Loop: 524#L1248 assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := (if 0 == main_#t~nondet7#1 then 0 else 1);havoc main_#t~nondet7#1;main_~P5~0#1 := (if 0 == main_#t~nondet8#1 then 0 else 1);havoc main_#t~nondet8#1;main_~P6~0#1 := (if 0 == main_#t~nondet9#1 then 0 else 1);havoc main_#t~nondet9#1; 496#L46 assume 0 == main_~q~0#1; 497#L47 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 524#L1248 [2022-02-21 03:56:00,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2022-02-21 03:56:00,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691723352] [2022-02-21 03:56:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,947 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:56:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,955 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:56:00,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,955 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2022-02-21 03:56:00,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240886285] [2022-02-21 03:56:00,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,960 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:56:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,965 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:56:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:56:00,966 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2022-02-21 03:56:00,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:56:00,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623474833] [2022-02-21 03:56:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:56:00,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:56:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,974 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:56:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:56:00,984 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:56:01,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:56:01 BoogieIcfgContainer [2022-02-21 03:56:01,352 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:56:01,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:56:01,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:56:01,353 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:56:01,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:55:59" (3/4) ... [2022-02-21 03:56:01,354 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 03:56:01,375 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 03:56:01,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:56:01,376 INFO L158 Benchmark]: Toolchain (without parser) took 6258.84ms. Allocated memory was 111.1MB in the beginning and 323.0MB in the end (delta: 211.8MB). Free memory was 69.2MB in the beginning and 249.1MB in the end (delta: -179.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,376 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:56:01,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.12ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 69.0MB in the beginning and 86.6MB in the end (delta: -17.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.73ms. Allocated memory is still 161.5MB. Free memory was 86.6MB in the beginning and 97.0MB in the end (delta: -10.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,377 INFO L158 Benchmark]: Boogie Preprocessor took 89.71ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 83.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,378 INFO L158 Benchmark]: RCFGBuilder took 3769.31ms. Allocated memory was 161.5MB in the beginning and 323.0MB in the end (delta: 161.5MB). Free memory was 83.4MB in the beginning and 214.7MB in the end (delta: -131.3MB). Peak memory consumption was 134.8MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,378 INFO L158 Benchmark]: BuchiAutomizer took 1413.28ms. Allocated memory is still 323.0MB. Free memory was 214.7MB in the beginning and 251.2MB in the end (delta: -36.5MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2022-02-21 03:56:01,378 INFO L158 Benchmark]: Witness Printer took 22.85ms. Allocated memory is still 323.0MB. Free memory was 251.2MB in the beginning and 250.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:56:01,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.12ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 69.0MB in the beginning and 86.6MB in the end (delta: -17.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.73ms. Allocated memory is still 161.5MB. Free memory was 86.6MB in the beginning and 97.0MB in the end (delta: -10.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.71ms. Allocated memory is still 161.5MB. Free memory was 97.0MB in the beginning and 83.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3769.31ms. Allocated memory was 161.5MB in the beginning and 323.0MB in the end (delta: 161.5MB). Free memory was 83.4MB in the beginning and 214.7MB in the end (delta: -131.3MB). Peak memory consumption was 134.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1413.28ms. Allocated memory is still 323.0MB. Free memory was 214.7MB in the beginning and 251.2MB in the end (delta: -36.5MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. * Witness Printer took 22.85ms. Allocated memory is still 323.0MB. Free memory was 251.2MB in the beginning and 250.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 403 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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: 34]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {m_getValueY=4, NULL=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@741038e4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71283103=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a103f15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ce02bbe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49853973=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67402db3=0, P4=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49980af3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20cfbe6c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ce6d160=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d70c8ae=13, P2=16, q=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42cd7dd5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46192b33=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32da4035=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a4edd73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ae77478=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@259a96a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54de3c2b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73e0218a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53e1ca21=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30e6ea76=0, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12432c4e=0, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@270310c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fa57ec6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680ea1ac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4889d650=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@146842a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@185729aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61781c91=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1343960=15, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ed6f6d7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63602826=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ec79afb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@296d14d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4279a15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b5c12f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ff51f81=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@288ded04=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ac8eec4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c4aed3=0, P5=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53c9694b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11dab29d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f62c70d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@498b3027=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fabf788=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54f5bb13=0, this_m_conn=0, method_id=0, P3=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25f21479=0, m_Accelerometer=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3719060b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a715e0e=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1104df02=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f46fcc5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e1f55b=0, this_m_sensitivity=100, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c7dbc15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31c31734=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a36b2a=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c973051=0, P1=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f519e63=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a2cca9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5705248e=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1295fa33=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7821d30d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1106ccf1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7526687b=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cbac298=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64979847=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fbd27e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@290b1f71=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10df355d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6795b210=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69cabd68=14, this_m_samples=200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d093cf4=10, m_disconnect=2, this_m_conn_data_listener=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57a708e9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fd49bc6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c78ce6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@954dc09=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b49cd27=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@93fcfbe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5398876a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74d2c03c=0, P6=1, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cae3234=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50ddd3b0=0, m_dataReceived=7} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 34]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_init = 1; [L8] int m_disconnect = 2; [L9] int m_getValueX = 3; [L10] int m_getValueY = 4; [L11] int m_Accelerometer = 5; [L12] int m_update = 6; [L13] int m_dataReceived = 7; [L14] int m_connect_1 = 8; [L15] int m_connect_2 = 9; [L20] int q = 0; [L21] int method_id; [L24] int this_m_conn = 0; [L25] int this_m_sensitivity = 100; [L26] int this_m_samples = 200; [L27] int this_m_delta = 1; [L28] int this_m_accX = 0; [L29] int this_m_sensorInfo = 0; [L30] int this_m_conn_data_listener = 0; [L31] int this_m_accY = 0; Loop: [L34] COND TRUE 1 [L37] int P1=__VERIFIER_nondet_int(); [L38] int P2=__VERIFIER_nondet_int(); [L39] int P3=__VERIFIER_nondet_int(); [L40] _Bool P4=__VERIFIER_nondet_int(); [L41] _Bool P5=__VERIFIER_nondet_int(); [L42] _Bool P6=__VERIFIER_nondet_int(); [L46] COND TRUE q == 0 [L47] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 03:56:01,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)