./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f984bd5abbd4adc0ae4b2416fd7142c889297d5b ...................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 03:14:49,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:49,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:49,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:49,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:49,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:49,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:49,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:49,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:49,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:49,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:49,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:49,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:49,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:49,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:49,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:49,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:49,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:49,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:49,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:49,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:49,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:49,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:49,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:49,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:49,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:49,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:49,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:49,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:49,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:49,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:49,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:49,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:49,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:49,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:49,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:49,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:49,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:49,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:49,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:49,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:49,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:14:49,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:49,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:49,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:49,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:49,208 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:49,208 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:14:49,208 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:14:49,208 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:14:49,209 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:14:49,209 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:14:49,210 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:14:49,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:49,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:49,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:14:49,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:49,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:49,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:49,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:14:49,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:14:49,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:14:49,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:49,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:49,214 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:14:49,214 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:49,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:14:49,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:49,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:49,215 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:14:49,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:49,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:49,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:49,218 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:14:49,220 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:14:49,221 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:/tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2020-11-28 03:14:49,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:49,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:49,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:49,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:49,593 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:49,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-28 03:14:49,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/data/f2894f013/dbf6ece11f71424786e54121c1fa1c71/FLAGcc9724a2d [2020-11-28 03:14:50,502 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:50,503 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2020-11-28 03:14:50,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/data/f2894f013/dbf6ece11f71424786e54121c1fa1c71/FLAGcc9724a2d [2020-11-28 03:14:51,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/data/f2894f013/dbf6ece11f71424786e54121c1fa1c71 [2020-11-28 03:14:51,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:51,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:51,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:51,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:51,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:51,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:51" (1/1) ... [2020-11-28 03:14:51,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfd374d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:51, skipping insertion in model container [2020-11-28 03:14:51,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:51" (1/1) ... [2020-11-28 03:14:51,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:51,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:52,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:52,085 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:52,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:52,482 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:52,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52 WrapperNode [2020-11-28 03:14:52,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:52,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:52,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:52,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:52,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:52,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:52,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:52,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:52,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:52,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... [2020-11-28 03:14:53,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:53,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:53,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:53,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:53,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:55,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:55,627 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-28 03:14:55,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:55 BoogieIcfgContainer [2020-11-28 03:14:55,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:55,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:14:55,634 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:14:55,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:14:55,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:55,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:14:51" (1/3) ... [2020-11-28 03:14:55,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217f0489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:55, skipping insertion in model container [2020-11-28 03:14:55,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:55,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:52" (2/3) ... [2020-11-28 03:14:55,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@217f0489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:55, skipping insertion in model container [2020-11-28 03:14:55,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:55,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:55" (3/3) ... [2020-11-28 03:14:55,644 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2020-11-28 03:14:55,711 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:14:55,712 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:14:55,712 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:14:55,712 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:55,712 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:55,712 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:14:55,713 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:55,713 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:14:55,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 237 states. [2020-11-28 03:14:55,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-11-28 03:14:55,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:55,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:55,818 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:14:55,818 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:55,818 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:14:55,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 237 states. [2020-11-28 03:14:55,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2020-11-28 03:14:55,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:55,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:55,844 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:14:55,845 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:55,854 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 9#L-1true havoc main_#res;havoc 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_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, 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; 157#L34-2true [2020-11-28 03:14:55,856 INFO L796 eck$LassoCheckResult]: Loop: 157#L34-2true goto; 33#L1248true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 238#L46true assume !(0 == main_~q~0); 82#L66true assume !(1 == main_~q~0); 138#L150true assume !(2 == main_~q~0); 97#L330true assume !(3 == main_~q~0); 223#L1070true assume !(4 == main_~q~0); 157#L34-2true [2020-11-28 03:14:55,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:55,867 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:14:55,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:55,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309650344] [2020-11-28 03:14:55,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:56,031 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:56,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:56,125 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:56,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:56,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2020-11-28 03:14:56,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:56,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060959323] [2020-11-28 03:14:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:56,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:56,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:56,199 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:56,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:56,206 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2020-11-28 03:14:56,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:56,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960769282] [2020-11-28 03:14:56,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:56,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960769282] [2020-11-28 03:14:56,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:56,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:56,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978200668] [2020-11-28 03:14:56,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:56,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:56,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:56,515 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2020-11-28 03:14:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:56,871 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2020-11-28 03:14:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:56,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2020-11-28 03:14:56,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-11-28 03:14:56,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2020-11-28 03:14:56,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2020-11-28 03:14:56,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2020-11-28 03:14:56,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2020-11-28 03:14:56,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:56,908 INFO L691 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-11-28 03:14:56,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2020-11-28 03:14:56,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-11-28 03:14:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-28 03:14:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2020-11-28 03:14:56,977 INFO L714 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-11-28 03:14:56,977 INFO L594 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2020-11-28 03:14:56,978 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:14:56,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2020-11-28 03:14:56,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2020-11-28 03:14:56,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:56,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:56,985 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:14:56,985 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:14:56,986 INFO L794 eck$LassoCheckResult]: Stem: 589#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 489#L-1 havoc main_#res;havoc 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_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, 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; 490#L34-2 goto; 529#L1248 [2020-11-28 03:14:56,987 INFO L796 eck$LassoCheckResult]: Loop: 529#L1248 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 530#L46 assume 0 == main_~q~0; 671#L47 assume !(0 != main_#t~nondet13);havoc main_#t~nondet13; 529#L1248 [2020-11-28 03:14:56,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:56,990 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-11-28 03:14:56,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:56,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297455835] [2020-11-28 03:14:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,071 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:57,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:57,072 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-11-28 03:14:57,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:57,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688133202] [2020-11-28 03:14:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,097 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:57,104 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-11-28 03:14:57,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:57,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497137128] [2020-11-28 03:14:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:57,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:57,186 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:57,812 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-11-28 03:14:58,099 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-28 03:14:58,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:14:58 BoogieIcfgContainer [2020-11-28 03:14:58,159 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:14:58,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:58,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:58,162 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:58,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:55" (3/4) ... [2020-11-28 03:14:58,171 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 03:14:58,241 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_882877bc-e3e0-4577-84e0-6e239e74f1c9/bin/uautomizer/witness.graphml [2020-11-28 03:14:58,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:58,254 INFO L168 Benchmark]: Toolchain (without parser) took 7246.15 ms. Allocated memory was 94.4 MB in the beginning and 209.7 MB in the end (delta: 115.3 MB). Free memory was 55.4 MB in the beginning and 124.0 MB in the end (delta: -68.6 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,257 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:58,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1464.16 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 55.2 MB in the beginning and 68.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 267.23 ms. Allocated memory is still 115.3 MB. Free memory was 68.3 MB in the beginning and 45.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,261 INFO L168 Benchmark]: Boogie Preprocessor took 254.71 ms. Allocated memory is still 115.3 MB. Free memory was 45.3 MB in the beginning and 55.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,262 INFO L168 Benchmark]: RCFGBuilder took 2620.11 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 55.5 MB in the beginning and 93.2 MB in the end (delta: -37.7 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,263 INFO L168 Benchmark]: BuchiAutomizer took 2525.97 ms. Allocated memory was 163.6 MB in the beginning and 209.7 MB in the end (delta: 46.1 MB). Free memory was 93.1 MB in the beginning and 126.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,264 INFO L168 Benchmark]: Witness Printer took 90.07 ms. Allocated memory is still 209.7 MB. Free memory was 126.1 MB in the beginning and 124.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1464.16 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 55.2 MB in the beginning and 68.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 267.23 ms. Allocated memory is still 115.3 MB. Free memory was 68.3 MB in the beginning and 45.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 254.71 ms. Allocated memory is still 115.3 MB. Free memory was 45.3 MB in the beginning and 55.5 MB in the end (delta: -10.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2620.11 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 55.5 MB in the beginning and 93.2 MB in the end (delta: -37.7 MB). Peak memory consumption was 53.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2525.97 ms. Allocated memory was 163.6 MB in the beginning and 209.7 MB in the end (delta: 46.1 MB). Free memory was 93.1 MB in the beginning and 126.1 MB in the end (delta: -33.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. * Witness Printer took 90.07 ms. Allocated memory is still 209.7 MB. Free memory was 126.1 MB in the beginning and 124.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 403 SDtfs, 4 SDslu, 325 SDs, 0 SdLazy, 75 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 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@146bd930=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@249ad478=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@356f122b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1668ca09=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38688810=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d909755=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52ecc4f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39b342e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73dbbeba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1908dad=0, NULL=0, P4=0, this_m_sensitivity=100, this_m_samples=200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d6c26e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@589f4b73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@379bd98c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3232fc89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e6583ed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1452ca5c=0, m_update=6, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fa739f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a6a2b1d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dfe3344=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16dca2dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@761e3c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70596ae7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30927955=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b3b9e99=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57a3eca9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@241a7ec3=0, P5=0, P1=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70a32486=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20cb8019=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c9fb418=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51909113=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c416246=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1171590e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@650cbae1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c6225d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7055b70f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@514bf269=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2db83b0b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d9aec7=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c110449=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6271ef0=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57713ce1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3804450e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a2b1d5c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@650b2948=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71ac4aec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f420ab7=0, NULL=0, P6=0, P2=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fcc9b4e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473b3eb0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c8e6ae2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cee1b9c=0, NULL=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@385706e1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bda675=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5753f9a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49038340=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465539f8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aebf855=0, NULL=2, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b0033be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38f1061b=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55647c9f=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72f338f0=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a2d8d46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fd4bc5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ca0d22d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2dc6282a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ee7f14a=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59dd923e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c6e028=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b615ac1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b17d769=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51cbb210=0, NULL=0, NULL=4, m_disconnect=2, P3=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dec6ed7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7956fe5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58782e48=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ca4fc20=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7db13ffe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@414c1869=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52a4d186=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d0b5b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cba2f92=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15a94a23=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! Received shutdown request...