./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3 --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 0.2.1-dev-5709675 [2021-10-15 19:23:18,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:23:18,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:23:18,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:23:18,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:23:18,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:23:18,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:23:18,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:23:18,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:23:18,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:23:18,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:23:18,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:23:18,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:23:18,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:23:18,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:23:18,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:23:18,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:23:18,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:23:18,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:23:18,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:23:18,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:23:18,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:23:18,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:23:18,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:23:18,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:23:18,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:23:18,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:23:18,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:23:18,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:23:18,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:23:18,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:23:18,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:23:18,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:23:18,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:23:18,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:23:18,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:23:18,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:23:18,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:23:18,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:23:18,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:23:18,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:23:18,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:23:18,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:23:18,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:23:18,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:23:18,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:23:18,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:23:18,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:23:18,382 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:23:18,382 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:23:18,383 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:23:18,383 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:23:18,384 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:23:18,384 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:23:18,385 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:23:18,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:23:18,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:23:18,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:23:18,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:23:18,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:23:18,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:23:18,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:23:18,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:23:18,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:23:18,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:23:18,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:23:18,388 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:23:18,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:23:18,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:23:18,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:23:18,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:23:18,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:23:18,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:23:18,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:23:18,392 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:23:18,393 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_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2021-10-15 19:23:18,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:23:18,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:23:18,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:23:18,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:23:18,673 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:23:18,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-15 19:23:18,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/data/d52caa93c/ee76efc5c0164c588345bfeb6e23a080/FLAGded580030 [2021-10-15 19:23:19,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:23:19,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-15 19:23:19,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/data/d52caa93c/ee76efc5c0164c588345bfeb6e23a080/FLAGded580030 [2021-10-15 19:23:19,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/data/d52caa93c/ee76efc5c0164c588345bfeb6e23a080 [2021-10-15 19:23:19,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:23:19,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:23:19,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:23:19,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:23:19,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:23:19,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:23:19" (1/1) ... [2021-10-15 19:23:19,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9eb848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:19, skipping insertion in model container [2021-10-15 19:23:19,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:23:19" (1/1) ... [2021-10-15 19:23:19,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:23:19,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:23:20,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-15 19:23:20,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:23:20,648 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:23:21,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-15 19:23:21,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:23:21,031 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:23:21,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21 WrapperNode [2021-10-15 19:23:21,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:23:21,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:23:21,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:23:21,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:23:21,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:23:21,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:23:21,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:23:21,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:23:21,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:23:21,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:23:21,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:23:21,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:23:21,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (1/1) ... [2021-10-15 19:23:21,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:23:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:23:21,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:23:21,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:23:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:23:21,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:23:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:23:21,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:23:23,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:23:23,221 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-15 19:23:23,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:23 BoogieIcfgContainer [2021-10-15 19:23:23,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:23:23,226 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:23:23,226 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:23:23,229 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:23:23,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:23,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:23:19" (1/3) ... [2021-10-15 19:23:23,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2963b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:23:23, skipping insertion in model container [2021-10-15 19:23:23,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:23,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:23:21" (2/3) ... [2021-10-15 19:23:23,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2963b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:23:23, skipping insertion in model container [2021-10-15 19:23:23,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:23:23,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:23" (3/3) ... [2021-10-15 19:23:23,234 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-10-15 19:23:23,286 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:23:23,286 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:23:23,287 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:23:23,287 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:23:23,287 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:23:23,287 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:23:23,287 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:23:23,287 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:23:23,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:23:23,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-10-15 19:23:23,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:23:23,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:23:23,379 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 19:23:23,379 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:23:23,379 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:23:23,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:23:23,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-10-15 19:23:23,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:23:23,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:23:23,400 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 19:23:23,400 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:23:23,406 INFO L791 eck$LassoCheckResult]: Stem: 230#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; 172#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; 173#L34-2true [2021-10-15 19:23:23,407 INFO L793 eck$LassoCheckResult]: Loop: 173#L34-2true goto; 81#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; 14#L46true assume !(0 == main_~q~0); 34#L66true assume !(1 == main_~q~0); 215#L150true assume !(2 == main_~q~0); 47#L330true assume !(3 == main_~q~0); 78#L1070true assume !(4 == main_~q~0); 173#L34-2true [2021-10-15 19:23:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-15 19:23:23,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:23,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112114721] [2021-10-15 19:23:23,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:23,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:23,542 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:23,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:23,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:23,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2021-10-15 19:23:23,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:23,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094923598] [2021-10-15 19:23:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:23,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:23,641 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:23,666 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:23,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:23,668 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2021-10-15 19:23:23,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:23,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140946845] [2021-10-15 19:23:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:23,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:23:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:23:23,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:23:23,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140946845] [2021-10-15 19:23:23,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140946845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:23:23,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:23:23,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:23:23,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618117811] [2021-10-15 19:23:24,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:23:24,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:23:24,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:23:24,027 INFO L87 Difference]: Start difference. First operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:23:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:23:24,234 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2021-10-15 19:23:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:23:24,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2021-10-15 19:23:24,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-10-15 19:23:24,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2021-10-15 19:23:24,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2021-10-15 19:23:24,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2021-10-15 19:23:24,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2021-10-15 19:23:24,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:23:24,262 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-15 19:23:24,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2021-10-15 19:23:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2021-10-15 19:23:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:23:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2021-10-15 19:23:24,339 INFO L704 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-15 19:23:24,339 INFO L587 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-15 19:23:24,342 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:23:24,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2021-10-15 19:23:24,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-10-15 19:23:24,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:23:24,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:23:24,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:23:24,345 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:23:24,346 INFO L791 eck$LassoCheckResult]: Stem: 681#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; 661#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; 662#L34-2 goto; 524#L1248 [2021-10-15 19:23:24,346 INFO L793 eck$LassoCheckResult]: Loop: 524#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; 496#L46 assume 0 == main_~q~0; 497#L47 assume !(0 != main_#t~nondet13);havoc main_#t~nondet13; 524#L1248 [2021-10-15 19:23:24,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:24,347 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-10-15 19:23:24,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:24,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873965546] [2021-10-15 19:23:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:24,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,377 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:24,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:24,400 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-10-15 19:23:24,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:24,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080740306] [2021-10-15 19:23:24,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:24,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,406 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:24,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:23:24,416 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-10-15 19:23:24,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:23:24,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104096308] [2021-10-15 19:23:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:23:24,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:23:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,430 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:23:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:23:24,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:23:25,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:23:25 BoogieIcfgContainer [2021-10-15 19:23:25,262 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:23:25,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:23:25,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:23:25,263 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:23:25,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:23:23" (3/4) ... [2021-10-15 19:23:25,266 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-15 19:23:25,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/witness.graphml [2021-10-15 19:23:25,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:23:25,330 INFO L168 Benchmark]: Toolchain (without parser) took 5691.82 ms. Allocated memory was 102.8 MB in the beginning and 182.5 MB in the end (delta: 79.7 MB). Free memory was 59.3 MB in the beginning and 66.1 MB in the end (delta: -6.9 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,330 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:23:25,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1398.75 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 59.0 MB in the beginning and 51.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 222.17 ms. Allocated memory is still 123.7 MB. Free memory was 51.2 MB in the beginning and 64.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,334 INFO L168 Benchmark]: Boogie Preprocessor took 160.83 ms. Allocated memory is still 123.7 MB. Free memory was 64.7 MB in the beginning and 52.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,335 INFO L168 Benchmark]: RCFGBuilder took 1806.05 ms. Allocated memory was 123.7 MB in the beginning and 182.5 MB in the end (delta: 58.7 MB). Free memory was 52.9 MB in the beginning and 98.2 MB in the end (delta: -45.3 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,335 INFO L168 Benchmark]: BuchiAutomizer took 2035.87 ms. Allocated memory is still 182.5 MB. Free memory was 98.2 MB in the beginning and 68.1 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,336 INFO L168 Benchmark]: Witness Printer took 59.84 ms. Allocated memory is still 182.5 MB. Free memory was 68.1 MB in the beginning and 66.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:23:25,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1398.75 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 59.0 MB in the beginning and 51.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 222.17 ms. Allocated memory is still 123.7 MB. Free memory was 51.2 MB in the beginning and 64.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.83 ms. Allocated memory is still 123.7 MB. Free memory was 64.7 MB in the beginning and 52.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1806.05 ms. Allocated memory was 123.7 MB in the beginning and 182.5 MB in the end (delta: 58.7 MB). Free memory was 52.9 MB in the beginning and 98.2 MB in the end (delta: -45.3 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2035.87 ms. Allocated memory is still 182.5 MB. Free memory was 98.2 MB in the beginning and 68.1 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * Witness Printer took 59.84 ms. Allocated memory is still 182.5 MB. Free memory was 68.1 MB in the beginning and 66.1 MB in the end (delta: 2.0 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 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. 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 62.9ms 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, 114.2ms 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@13c0ab4b=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4adce79d=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b761180=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cc3666a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e2dd550=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e499636=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25f95e59=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fd30236=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79df7674=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@549296dd=0, NULL=0, P4=1, this_m_sensitivity=100, this_m_samples=200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@798512c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e68dce5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cc8d85b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7de55bf6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48a42d75=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23d50ce9=0, m_update=6, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f76a443=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dc26111=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ce855a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a7fb7a3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d1074bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@688f3ec5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30115e13=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eb57be9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@507e2082=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@274b5781=0, P5=1, P1=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5386c6e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@529faa95=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72b872c3=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d57e22e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44dea8a1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44004a3c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3082b284=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@761ff3e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@597b24b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68646b34=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bdbafb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@246bca30=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c4b1a47=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f89900d=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c0a8c46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28b56e85=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79b93447=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f95b0a=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3754f010=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@147e170f=0, NULL=0, P6=1, P2=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@345ed882=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2af5f728=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b9d9da5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5168ccf9=0, NULL=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d47966=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4145d34c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1330849e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16f97d67=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@415eaaa8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56c6a97e=0, NULL=3, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@108f72aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@385c3335=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21d9d265=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5523f868=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b08a75e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7036188f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7087bb10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1393fb03=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46e3b1c2=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72d92b83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d95a495=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10be792a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1daf8c78=0, NULL=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d1d0d22=0, NULL=0, NULL=4, m_disconnect=2, P3=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@195b2358=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1594b9f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11cfd82c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20ab323f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@245512cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d3d2c40=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7df99587=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60aa8491=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50c1ea5f=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f2046d3=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! [2021-10-15 19:23:25,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661927ff-75bf-47c9-a301-9f9765a66d61/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...