./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 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 ../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 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 0.1.25-8bd4bc6 [2020-07-29 02:02:46,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:02:46,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:02:46,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:02:46,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:02:46,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:02:46,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:02:46,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:02:46,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:02:46,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:02:46,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:02:46,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:02:46,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:02:46,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:02:46,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:02:46,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:02:46,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:02:46,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:02:46,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:02:46,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:02:46,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:02:46,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:02:46,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:02:46,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:02:46,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:02:46,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:02:46,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:02:46,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:02:46,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:02:46,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:02:46,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:02:46,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:02:46,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:02:46,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:02:46,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:02:46,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:02:46,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:02:46,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:02:46,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:02:46,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:02:46,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:02:46,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:02:46,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:02:46,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:02:46,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:02:46,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:02:46,880 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:02:46,880 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:02:46,881 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:02:46,881 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:02:46,881 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:02:46,881 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:02:46,881 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:02:46,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:02:46,882 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:02:46,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:02:46,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:02:46,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:02:46,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:02:46,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:02:46,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:02:46,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:02:46,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:02:46,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:02:46,888 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:02:46,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:02:46,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:02:46,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:02:46,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:02:46,891 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:02:46,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:02:46,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:02:46,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:02:46,893 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:02:46,894 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:02:46,895 INFO L138 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 [2020-07-29 02:02:47,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:02:47,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:02:47,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:02:47,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:02:47,195 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:02:47,195 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-07-29 02:02:47,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c799c0c56/4e31c4a3aa9b4b97bec2501870f90e5a/FLAG52a01a9b5 [2020-07-29 02:02:48,053 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:02:48,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-07-29 02:02:48,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c799c0c56/4e31c4a3aa9b4b97bec2501870f90e5a/FLAG52a01a9b5 [2020-07-29 02:02:48,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c799c0c56/4e31c4a3aa9b4b97bec2501870f90e5a [2020-07-29 02:02:48,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:02:48,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:02:48,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:02:48,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:02:48,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:02:48,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:02:48" (1/1) ... [2020-07-29 02:02:48,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdc094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:48, skipping insertion in model container [2020-07-29 02:02:48,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:02:48" (1/1) ... [2020-07-29 02:02:48,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:02:48,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:02:49,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:02:49,222 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:02:49,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:02:49,653 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:02:49,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49 WrapperNode [2020-07-29 02:02:49,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:02:49,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:02:49,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:02:49,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:02:49,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:49,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:49,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:02:49,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:02:49,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:02:49,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:02:49,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:49,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:49,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:49,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:50,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:50,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:50,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (1/1) ... [2020-07-29 02:02:50,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:02:50,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:02:50,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:02:50,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:02:50,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (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 [2020-07-29 02:02:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:02:50,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:02:56,121 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:02:56,122 INFO L295 CfgBuilder]: Removed 25 assume(true) statements. [2020-07-29 02:02:56,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:56 BoogieIcfgContainer [2020-07-29 02:02:56,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:02:56,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:02:56,134 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:02:56,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:02:56,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:56,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:02:48" (1/3) ... [2020-07-29 02:02:56,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@501920f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:02:56, skipping insertion in model container [2020-07-29 02:02:56,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:56,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:02:49" (2/3) ... [2020-07-29 02:02:56,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@501920f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:02:56, skipping insertion in model container [2020-07-29 02:02:56,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:02:56,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:56" (3/3) ... [2020-07-29 02:02:56,145 INFO L371 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-07-29 02:02:56,193 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:02:56,194 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:02:56,194 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:02:56,194 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:02:56,194 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:02:56,194 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:02:56,195 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:02:56,195 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:02:56,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2020-07-29 02:02:56,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-07-29 02:02:56,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:56,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:56,290 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:02:56,290 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:02:56,291 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:02:56,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states. [2020-07-29 02:02:56,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-07-29 02:02:56,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:56,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:56,315 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:02:56,315 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:02:56,323 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 [2020-07-29 02:02:56,323 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 [2020-07-29 02:02:56,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:56,328 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 02:02:56,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:56,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230450214] [2020-07-29 02:02:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:56,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:56,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:56,444 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:56,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2020-07-29 02:02:56,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:56,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714411298] [2020-07-29 02:02:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:56,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:56,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:56,478 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:56,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2020-07-29 02:02:56,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:56,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903415539] [2020-07-29 02:02:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:02:56,584 INFO L280 TraceCheckUtils]: 0: Hoare triple {244#true} ~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 [2020-07-29 02:02:56,587 INFO L280 TraceCheckUtils]: 1: Hoare triple {244#true} 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; {246#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:56,589 INFO L280 TraceCheckUtils]: 2: Hoare triple {246#(= 0 ULTIMATE.start_main_~q~0)} goto; {246#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:56,590 INFO L280 TraceCheckUtils]: 3: Hoare triple {246#(= 0 ULTIMATE.start_main_~q~0)} 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; {246#(= 0 ULTIMATE.start_main_~q~0)} is VALID [2020-07-29 02:02:56,590 INFO L280 TraceCheckUtils]: 4: Hoare triple {246#(= 0 ULTIMATE.start_main_~q~0)} assume !(0 == main_~q~0); {245#false} is VALID [2020-07-29 02:02:56,591 INFO L280 TraceCheckUtils]: 5: Hoare triple {245#false} assume !(1 == main_~q~0); {245#false} is VALID [2020-07-29 02:02:56,591 INFO L280 TraceCheckUtils]: 6: Hoare triple {245#false} assume !(2 == main_~q~0); {245#false} is VALID [2020-07-29 02:02:56,591 INFO L280 TraceCheckUtils]: 7: Hoare triple {245#false} assume !(3 == main_~q~0); {245#false} is VALID [2020-07-29 02:02:56,592 INFO L280 TraceCheckUtils]: 8: Hoare triple {245#false} assume !(4 == main_~q~0); {245#false} is VALID [2020-07-29 02:02:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:02:56,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903415539] [2020-07-29 02:02:56,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:02:56,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:02:56,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160595453] [2020-07-29 02:02:56,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:02:56,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 02:02:56,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 02:02:56,776 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-29 02:02:57,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:57,881 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2020-07-29 02:02:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 02:02:57,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:02:57,906 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:02:57,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2020-07-29 02:02:57,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-07-29 02:02:57,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2020-07-29 02:02:57,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2020-07-29 02:02:57,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2020-07-29 02:02:57,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2020-07-29 02:02:57,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:02:57,948 INFO L688 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-07-29 02:02:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2020-07-29 02:02:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-07-29 02:02:57,990 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:02:57,990 INFO L82 GeneralOperation]: Start isEquivalent. First operand 207 states and 322 transitions. Second operand 207 states. [2020-07-29 02:02:57,991 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states and 322 transitions. Second operand 207 states. [2020-07-29 02:02:57,993 INFO L87 Difference]: Start difference. First operand 207 states and 322 transitions. Second operand 207 states. [2020-07-29 02:02:58,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:58,004 INFO L93 Difference]: Finished difference Result 207 states and 322 transitions. [2020-07-29 02:02:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2020-07-29 02:02:58,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:02:58,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:02:58,008 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states. Second operand 207 states and 322 transitions. [2020-07-29 02:02:58,008 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 207 states and 322 transitions. [2020-07-29 02:02:58,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:02:58,018 INFO L93 Difference]: Finished difference Result 207 states and 322 transitions. [2020-07-29 02:02:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2020-07-29 02:02:58,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:02:58,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:02:58,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:02:58,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:02:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-29 02:02:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2020-07-29 02:02:58,031 INFO L711 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-07-29 02:02:58,032 INFO L591 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-07-29 02:02:58,032 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:02:58,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2020-07-29 02:02:58,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-07-29 02:02:58,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:02:58,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:02:58,034 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 02:02:58,035 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:02:58,035 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 [2020-07-29 02:02:58,035 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 [2020-07-29 02:02:58,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,036 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-07-29 02:02:58,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347338426] [2020-07-29 02:02:58,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,055 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-07-29 02:02:58,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524880462] [2020-07-29 02:02:58,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:02:58,071 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-07-29 02:02:58,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:02:58,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738465195] [2020-07-29 02:02:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:02:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:02:58,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:02:58,096 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:02:58,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:02:58 BoogieIcfgContainer [2020-07-29 02:02:58,382 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:02:58,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:02:58,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:02:58,383 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:02:58,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:02:56" (3/4) ... [2020-07-29 02:02:58,388 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:02:58,488 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:02:58,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:02:58,494 INFO L168 Benchmark]: Toolchain (without parser) took 10357.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -112.1 MB). Peak memory consumption was 261.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,495 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:02:58,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1516.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 944.1 MB in the beginning and 1.0 GB in the end (delta: -74.4 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 281.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 971.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,497 INFO L168 Benchmark]: Boogie Preprocessor took 150.71 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 958.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,501 INFO L168 Benchmark]: RCFGBuilder took 6044.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 958.4 MB in the beginning and 1.3 GB in the end (delta: -317.2 MB). Peak memory consumption was 301.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,501 INFO L168 Benchmark]: BuchiAutomizer took 2249.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 209.7 MB). Peak memory consumption was 209.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,502 INFO L168 Benchmark]: Witness Printer took 105.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:02:58,511 INFO L336 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1516.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 944.1 MB in the beginning and 1.0 GB in the end (delta: -74.4 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 281.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 971.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 150.71 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 958.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6044.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 958.4 MB in the beginning and 1.3 GB in the end (delta: -317.2 MB). Peak memory consumption was 301.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2249.28 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.1 GB in the end (delta: 209.7 MB). Peak memory consumption was 209.7 MB. Max. memory is 11.5 GB. * Witness Printer took 105.68 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 403 SDtfs, 4 SDslu, 325 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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@7ee3c4af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f8e6f5d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c94ab56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f37a487=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f03ef79=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@204ce76a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@da3e138=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e23c47=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c45008=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e2c298a=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@2c37dfef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a2314b1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17a7d52a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76d127f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f828f16=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73170a4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15377dda=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67c37551=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ee4e206=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2175ef4f=0, P5=1, P1=13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@597b262e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b2aa21a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bc2fe21=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43b0bc44=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ed665ea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fa7efbe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c722f84=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cb83a72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cc6b8d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e63be03=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fa2072=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4386badf=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5755b1bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d13beec=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fe57444=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d36f940=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38bfea8c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e19ef06=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@343b7733=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44af5b86=0, P6=1, P2=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@140ba965=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f6a7ecd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44e46030=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f32a792=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a0a22fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a77a983=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46bb6790=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a7bf59c=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d79e303=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67edd509=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a3f7866=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a2d0c58=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74a96ae9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@798141c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2858e124=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ca99b72=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de6f53e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54d555e9=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49cd5d66=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79837110=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@501e823=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d06ffe5=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d672247=13, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74d01874=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e3ac7c1=10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12dac6b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23227b94=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60962262=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@affb0b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@300afbd7=0, m_disconnect=2, P3=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53c3f460=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@494a7787=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57d214ee=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dcf98b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3032215=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e38cac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d0ee12c=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1630594=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b8fac70=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c3dae8b=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...