./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt --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-4e77c04 [2021-10-13 00:16:04,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:16:04,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:16:04,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:16:04,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:16:04,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:16:04,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:16:04,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:16:04,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:16:04,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:16:04,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:16:04,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:16:04,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:16:04,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:16:04,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:16:04,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:16:04,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:16:04,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:16:04,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:16:04,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:16:04,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:16:04,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:16:04,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:16:04,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:16:04,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:16:04,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:16:04,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:16:04,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:16:04,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:16:04,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:16:04,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:16:04,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:16:04,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:16:04,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:16:04,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:16:04,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:16:04,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:16:04,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:16:04,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:16:04,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:16:04,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:16:04,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:16:04,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:16:04,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:16:04,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:16:04,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:16:04,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:16:04,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:16:04,429 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:16:04,430 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:16:04,430 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:16:04,430 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:16:04,430 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:16:04,431 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:16:04,431 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:16:04,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:16:04,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:16:04,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:16:04,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:16:04,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:16:04,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:16:04,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:16:04,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:16:04,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:16:04,434 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:16:04,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:16:04,434 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:16:04,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:16:04,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:16:04,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:16:04,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:16:04,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:16:04,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:16:04,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:16:04,438 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:16:04,439 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_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2021-10-13 00:16:04,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:16:04,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:16:04,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:16:04,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:16:04,726 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:16:04,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-13 00:16:04,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/data/6c77e8753/46c45f93bb41402abcc966ff1ae44424/FLAG510bfc0c8 [2021-10-13 00:16:05,549 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:16:05,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-10-13 00:16:05,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/data/6c77e8753/46c45f93bb41402abcc966ff1ae44424/FLAG510bfc0c8 [2021-10-13 00:16:05,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/data/6c77e8753/46c45f93bb41402abcc966ff1ae44424 [2021-10-13 00:16:05,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:16:05,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:16:05,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:16:05,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:16:05,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:16:05,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:05" (1/1) ... [2021-10-13 00:16:05,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea7a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:05, skipping insertion in model container [2021-10-13 00:16:05,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:16:05" (1/1) ... [2021-10-13 00:16:05,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:16:05,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:16:06,521 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_c58a74d5-749a-4848-a0c2-03f70672a3ca/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-13 00:16:06,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:16:06,550 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:16:06,810 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_c58a74d5-749a-4848-a0c2-03f70672a3ca/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-10-13 00:16:06,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:16:06,830 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:16:06,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06 WrapperNode [2021-10-13 00:16:06,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:16:06,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:16:06,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:16:06,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:16:06,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:06,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:16:07,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:16:07,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:16:07,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:16:07,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:16:07,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:16:07,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:16:07,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:16:07,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (1/1) ... [2021-10-13 00:16:07,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:16:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:16:07,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:16:07,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:16:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:16:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:16:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:16:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:16:09,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:16:09,154 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-13 00:16:09,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:09 BoogieIcfgContainer [2021-10-13 00:16:09,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:16:09,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:16:09,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:16:09,162 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:16:09,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:16:09,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:16:05" (1/3) ... [2021-10-13 00:16:09,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f30f69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:16:09, skipping insertion in model container [2021-10-13 00:16:09,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:16:09,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:16:06" (2/3) ... [2021-10-13 00:16:09,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f30f69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:16:09, skipping insertion in model container [2021-10-13 00:16:09,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:16:09,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:09" (3/3) ... [2021-10-13 00:16:09,166 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-10-13 00:16:09,219 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:16:09,220 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:16:09,220 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:16:09,220 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:16:09,220 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:16:09,220 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:16:09,220 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:16:09,220 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:16:09,244 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) [2021-10-13 00:16:09,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-10-13 00:16:09,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:16:09,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:16:09,285 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:16:09,285 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:09,285 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:16:09,286 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) [2021-10-13 00:16:09,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-10-13 00:16:09,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:16:09,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:16:09,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:16:09,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:16:09,305 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 [2021-10-13 00:16:09,307 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 [2021-10-13 00:16:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:09,312 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:16:09,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:09,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633481348] [2021-10-13 00:16:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:09,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:09,439 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:09,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:09,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:09,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2021-10-13 00:16:09,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:09,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338387458] [2021-10-13 00:16:09,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:09,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:09,539 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:09,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2021-10-13 00:16:09,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:09,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741277733] [2021-10-13 00:16:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:09,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:16:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:16:09,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:16:09,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741277733] [2021-10-13 00:16:09,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741277733] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:16:09,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:16:09,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:16:09,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102204421] [2021-10-13 00:16:09,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:16:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:16:09,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:16:09,892 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) [2021-10-13 00:16:10,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:16:10,096 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2021-10-13 00:16:10,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:16:10,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2021-10-13 00:16:10,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-10-13 00:16:10,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2021-10-13 00:16:10,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2021-10-13 00:16:10,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2021-10-13 00:16:10,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2021-10-13 00:16:10,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:16:10,126 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-13 00:16:10,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2021-10-13 00:16:10,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2021-10-13 00:16:10,177 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) [2021-10-13 00:16:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2021-10-13 00:16:10,213 INFO L704 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-13 00:16:10,214 INFO L587 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-10-13 00:16:10,214 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:16:10,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2021-10-13 00:16:10,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-10-13 00:16:10,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:16:10,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:16:10,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:16:10,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:16:10,218 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 [2021-10-13 00:16:10,218 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 [2021-10-13 00:16:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:10,219 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-10-13 00:16:10,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:10,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048093415] [2021-10-13 00:16:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:10,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,252 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:10,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-10-13 00:16:10,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:10,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791353649] [2021-10-13 00:16:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:10,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,299 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:16:10,319 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-10-13 00:16:10,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:16:10,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029590263] [2021-10-13 00:16:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:16:10,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:16:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,333 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:16:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:16:10,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:16:11,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:16:11 BoogieIcfgContainer [2021-10-13 00:16:11,097 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:16:11,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:16:11,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:16:11,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:16:11,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:16:09" (3/4) ... [2021-10-13 00:16:11,101 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:16:11,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:16:11,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:16:11,139 INFO L168 Benchmark]: Toolchain (without parser) took 5448.25 ms. Allocated memory was 96.5 MB in the beginning and 205.5 MB in the end (delta: 109.1 MB). Free memory was 53.8 MB in the beginning and 95.5 MB in the end (delta: -41.7 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,139 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:16:11,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.02 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 53.6 MB in the beginning and 63.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.88 ms. Allocated memory is still 136.3 MB. Free memory was 63.7 MB in the beginning and 87.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,141 INFO L168 Benchmark]: Boogie Preprocessor took 147.34 ms. Allocated memory is still 136.3 MB. Free memory was 87.1 MB in the beginning and 74.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,142 INFO L168 Benchmark]: RCFGBuilder took 1976.20 ms. Allocated memory was 136.3 MB in the beginning and 205.5 MB in the end (delta: 69.2 MB). Free memory was 74.7 MB in the beginning and 127.0 MB in the end (delta: -52.3 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,142 INFO L168 Benchmark]: BuchiAutomizer took 1938.88 ms. Allocated memory is still 205.5 MB. Free memory was 127.0 MB in the beginning and 97.6 MB in the end (delta: 29.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,143 INFO L168 Benchmark]: Witness Printer took 39.57 ms. Allocated memory is still 205.5 MB. Free memory was 97.6 MB in the beginning and 95.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:16:11,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 96.5 MB. Free memory was 52.4 MB in the beginning and 52.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1138.02 ms. Allocated memory was 96.5 MB in the beginning and 136.3 MB in the end (delta: 39.8 MB). Free memory was 53.6 MB in the beginning and 63.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 199.88 ms. Allocated memory is still 136.3 MB. Free memory was 63.7 MB in the beginning and 87.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.34 ms. Allocated memory is still 136.3 MB. Free memory was 87.1 MB in the beginning and 74.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1976.20 ms. Allocated memory was 136.3 MB in the beginning and 205.5 MB in the end (delta: 69.2 MB). Free memory was 74.7 MB in the beginning and 127.0 MB in the end (delta: -52.3 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1938.88 ms. Allocated memory is still 205.5 MB. Free memory was 127.0 MB in the beginning and 97.6 MB in the end (delta: 29.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 39.57 ms. Allocated memory is still 205.5 MB. Free memory was 97.6 MB in the beginning and 95.5 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 1.8s 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 73.4ms 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, 110.4ms 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@5b7a689f=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b32b310=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59efd602=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@549bdcd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6402f130=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f10480e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cb2b5e2=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16a94a78=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e9fe6a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10bb7c52=0, NULL=0, P4=1, this_m_sensitivity=100, this_m_samples=200, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25a2b413=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c589065=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dcb2e43=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@532b5b11=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c0f9a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@318f2d57=0, m_update=6, this_m_accX=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c7f04a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20a90ce3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4910f9b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ad25775=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bc8ba08=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6776acd1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@479abbc5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f3c69c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61afe0c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@391e7a7d=0, P5=1, P1=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8e8d428=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4087b72d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@337f457c=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b8f3e77=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14dfb1e2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9f15614=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e822b25=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5005e549=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d460ebb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64dbfaca=0, this_m_sensorInfo=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6aee0cc8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f56c349=0, this_m_accY=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e824840=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1970c8b1=0, m_connect_1=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8d9d0e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@258258f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3620f1b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a87d8b5=0, m_Accelerometer=5, this_m_conn=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16fb55ed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@95132c3=0, NULL=0, P6=1, P2=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3346a9da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d305d40=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f727213=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@790d6b71=0, NULL=0, m_init=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c1e90d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49778743=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f8315f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20068d1e=0, this_m_delta=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cf891e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ebc33ea=0, NULL=3, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@363ab2d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28cd08a8=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48d1f2d6=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d38fd39=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3beef0f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17a602d5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b9d4b1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c8cf0cc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8d3242=0, m_connect_2=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7baaf9cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ae4dc72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2963d8b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50a9daf9=0, NULL=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@773eda93=0, NULL=0, NULL=4, m_disconnect=2, P3=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d15201=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fa5a5a8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@672ed2e0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10f212c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ad8fe25=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e8edfbb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4296a7ba=0, this_m_conn_data_listener=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@587b1b8d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ac17dcf=0, m_getValueX=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be91ba5=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! [2021-10-13 00:16:11,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58a74d5-749a-4848-a0c2-03f70672a3ca/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...