./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:36:34,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:34,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:34,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:34,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:34,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:34,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:34,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:34,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:34,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:34,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:34,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:34,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:34,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:34,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:34,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:34,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:34,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:34,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:34,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:34,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:34,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:34,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:34,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:34,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:34,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:34,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:34,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:34,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:34,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:34,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:34,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:34,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:34,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:34,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:34,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:34,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:34,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:34,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:34,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:34,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:34,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:36:34,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:34,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:34,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:34,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:34,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:34,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:34,537 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:34,537 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:36:34,537 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:36:34,538 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:36:34,539 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:36:34,539 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:36:34,540 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:36:34,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:34,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:36:34,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:36:34,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:34,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:36:34,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:34,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:36:34,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:36:34,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:36:34,543 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:36:34,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:34,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:36:34,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:34,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:36:34,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:34,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:34,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:34,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:34,546 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:36:34,547 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_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a4dd7b0485056d1e9470afeda0ab37136e1bca9c47a740d3a29feb318846c30 [2022-11-02 20:36:34,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:34,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:34,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:34,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:34,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:34,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2022-11-02 20:36:35,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/data/e6ed35cb4/9caef929d240455dbac373c07d3ff460/FLAGebf3384cd [2022-11-02 20:36:35,841 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:35,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2022-11-02 20:36:35,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/data/e6ed35cb4/9caef929d240455dbac373c07d3ff460/FLAGebf3384cd [2022-11-02 20:36:35,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/data/e6ed35cb4/9caef929d240455dbac373c07d3ff460 [2022-11-02 20:36:35,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:35,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:35,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:35,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:35,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:35,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:35" (1/1) ... [2022-11-02 20:36:35,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236a60b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:35, skipping insertion in model container [2022-11-02 20:36:35,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:35" (1/1) ... [2022-11-02 20:36:35,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:36,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:36,876 WARN L230 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_194dc356-fd56-48df-8096-f80989dcb52d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2022-11-02 20:36:36,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:36,906 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:37,227 WARN L230 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_194dc356-fd56-48df-8096-f80989dcb52d/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2022-11-02 20:36:37,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:37,247 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:37,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37 WrapperNode [2022-11-02 20:36:37,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:37,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:37,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:37,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:37,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,503 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1255 [2022-11-02 20:36:37,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:37,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:37,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:37,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:37,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:37,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:37,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:37,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:37,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (1/1) ... [2022-11-02 20:36:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:37,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:37,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:37,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:36:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:36:37,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:37,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:39,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:39,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:39,663 INFO L300 CfgBuilder]: Removed 21 assume(true) statements. [2022-11-02 20:36:39,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39 BoogieIcfgContainer [2022-11-02 20:36:39,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:39,667 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:36:39,667 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:36:39,671 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:36:39,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:36:35" (1/3) ... [2022-11-02 20:36:39,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b021ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:39, skipping insertion in model container [2022-11-02 20:36:39,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:37" (2/3) ... [2022-11-02 20:36:39,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b021ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:39, skipping insertion in model container [2022-11-02 20:36:39,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39" (3/3) ... [2022-11-02 20:36:39,676 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2022-11-02 20:36:39,743 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:36:39,743 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:36:39,743 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:36:39,743 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:36:39,743 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:36:39,744 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:36:39,744 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:36:39,744 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:36:39,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:39,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2022-11-02 20:36:39,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:39,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:39,789 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:39,789 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:39,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:36:39,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:39,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2022-11-02 20:36:39,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:39,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:39,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:39,802 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:39,809 INFO L748 eck$LassoCheckResult]: Stem: 229#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 171#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~nondet68#1, main_#t~nondet69#1, main_#t~nondet70#1, main_#t~nondet71#1, main_#t~nondet72#1, main_#t~nondet73#1, main_#t~nondet74#1, main_#t~nondet75#1, main_#t~nondet76#1, main_#t~nondet77#1, main_#t~nondet78#1, main_#t~nondet79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_m_conn~0#1, main_~this_m_sensitivity~0#1, main_~this_m_samples~0#1, main_~this_m_delta~0#1, main_~this_m_accX~0#1, main_~this_m_sensorInfo~0#1, main_~this_m_conn_data_listener~0#1, main_~this_m_accY~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_m_conn~0#1 := 0;main_~this_m_sensitivity~0#1 := 100;main_~this_m_samples~0#1 := 200;main_~this_m_delta~0#1 := 1;main_~this_m_accX~0#1 := 0;main_~this_m_sensorInfo~0#1 := 0;main_~this_m_conn_data_listener~0#1 := 0;main_~this_m_accY~0#1 := 0; 172#L34-2true [2022-11-02 20:36:39,810 INFO L750 eck$LassoCheckResult]: Loop: 172#L34-2true goto; 80#L1248true assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := (if 0 == main_#t~nondet7#1 then 0 else 1);havoc main_#t~nondet7#1;main_~P5~0#1 := (if 0 == main_#t~nondet8#1 then 0 else 1);havoc main_#t~nondet8#1;main_~P6~0#1 := (if 0 == main_#t~nondet9#1 then 0 else 1);havoc main_#t~nondet9#1; 13#L46true assume !(0 == main_~q~0#1); 33#L66true assume !(1 == main_~q~0#1); 214#L150true assume !(2 == main_~q~0#1); 46#L330true assume !(3 == main_~q~0#1); 77#L1070true assume !(4 == main_~q~0#1); 172#L34-2true [2022-11-02 20:36:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,816 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:36:39,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058254975] [2022-11-02 20:36:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:39,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2022-11-02 20:36:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291291344] [2022-11-02 20:36:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:39,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2022-11-02 20:36:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311483849] [2022-11-02 20:36:39,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:40,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:40,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311483849] [2022-11-02 20:36:40,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311483849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:40,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:40,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:36:40,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133184715] [2022-11-02 20:36:40,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:40,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:36:40,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:40,356 INFO L87 Difference]: Start difference. First operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:40,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:40,589 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2022-11-02 20:36:40,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2022-11-02 20:36:40,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2022-11-02 20:36:40,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2022-11-02 20:36:40,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2022-11-02 20:36:40,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2022-11-02 20:36:40,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2022-11-02 20:36:40,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:36:40,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-11-02 20:36:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2022-11-02 20:36:40,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2022-11-02 20:36:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2022-11-02 20:36:40,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-11-02 20:36:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:36:40,685 INFO L428 stractBuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2022-11-02 20:36:40,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:36:40,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2022-11-02 20:36:40,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2022-11-02 20:36:40,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:40,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:40,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:36:40,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:36:40,689 INFO L748 eck$LassoCheckResult]: Stem: 681#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 661#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~nondet61#1, main_#t~nondet62#1, main_#t~nondet63#1, main_#t~nondet64#1, main_#t~nondet65#1, main_#t~nondet66#1, main_#t~nondet67#1, main_#t~nondet68#1, main_#t~nondet69#1, main_#t~nondet70#1, main_#t~nondet71#1, main_#t~nondet72#1, main_#t~nondet73#1, main_#t~nondet74#1, main_#t~nondet75#1, main_#t~nondet76#1, main_#t~nondet77#1, main_#t~nondet78#1, main_#t~nondet79#1, main_#t~nondet80#1, main_#t~nondet81#1, main_#t~nondet82#1, main_#t~nondet83#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_m_conn~0#1, main_~this_m_sensitivity~0#1, main_~this_m_samples~0#1, main_~this_m_delta~0#1, main_~this_m_accX~0#1, main_~this_m_sensorInfo~0#1, main_~this_m_conn_data_listener~0#1, main_~this_m_accY~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_m_conn~0#1 := 0;main_~this_m_sensitivity~0#1 := 100;main_~this_m_samples~0#1 := 200;main_~this_m_delta~0#1 := 1;main_~this_m_accX~0#1 := 0;main_~this_m_sensorInfo~0#1 := 0;main_~this_m_conn_data_listener~0#1 := 0;main_~this_m_accY~0#1 := 0; 662#L34-2 goto; 524#L1248 [2022-11-02 20:36:40,689 INFO L750 eck$LassoCheckResult]: Loop: 524#L1248 assume !false;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~P4~0#1 := (if 0 == main_#t~nondet7#1 then 0 else 1);havoc main_#t~nondet7#1;main_~P5~0#1 := (if 0 == main_#t~nondet8#1 then 0 else 1);havoc main_#t~nondet8#1;main_~P6~0#1 := (if 0 == main_#t~nondet9#1 then 0 else 1);havoc main_#t~nondet9#1; 496#L46 assume 0 == main_~q~0#1; 497#L47 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 524#L1248 [2022-11-02 20:36:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:40,691 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2022-11-02 20:36:40,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:40,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043461545] [2022-11-02 20:36:40,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:40,744 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2022-11-02 20:36:40,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:40,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259423755] [2022-11-02 20:36:40,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2022-11-02 20:36:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:40,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247567807] [2022-11-02 20:36:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:40,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:41,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:41,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:36:41 BoogieIcfgContainer [2022-11-02 20:36:41,444 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:36:41,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:41,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:41,445 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:41,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39" (3/4) ... [2022-11-02 20:36:41,448 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:36:41,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:36:41,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:41,532 INFO L158 Benchmark]: Toolchain (without parser) took 5610.50ms. Allocated memory was 102.8MB in the beginning and 222.3MB in the end (delta: 119.5MB). Free memory was 71.2MB in the beginning and 162.7MB in the end (delta: -91.4MB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,532 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:41,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.24ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 70.9MB in the beginning and 103.1MB in the end (delta: -32.2MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 254.19ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 80.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,534 INFO L158 Benchmark]: Boogie Preprocessor took 166.17ms. Allocated memory is still 151.0MB. Free memory was 80.0MB in the beginning and 67.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,535 INFO L158 Benchmark]: RCFGBuilder took 1994.63ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 67.6MB in the beginning and 90.3MB in the end (delta: -22.7MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,535 INFO L158 Benchmark]: BuchiAutomizer took 1777.39ms. Allocated memory is still 222.3MB. Free memory was 90.3MB in the beginning and 62.2MB in the end (delta: 28.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,536 INFO L158 Benchmark]: Witness Printer took 86.57ms. Allocated memory is still 222.3MB. Free memory was 62.2MB in the beginning and 162.7MB in the end (delta: -100.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:36:41,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.24ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 70.9MB in the beginning and 103.1MB in the end (delta: -32.2MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 254.19ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 80.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.17ms. Allocated memory is still 151.0MB. Free memory was 80.0MB in the beginning and 67.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1994.63ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 67.6MB in the beginning and 90.3MB in the end (delta: -22.7MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1777.39ms. Allocated memory is still 222.3MB. Free memory was 90.3MB in the beginning and 62.2MB in the end (delta: 28.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 86.57ms. Allocated memory is still 222.3MB. Free memory was 62.2MB in the beginning and 162.7MB in the end (delta: -100.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 403 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 34]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. 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; VAL [m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6] [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; VAL [m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, q=0, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=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. - 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; VAL [m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6] [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; VAL [m_Accelerometer=5, m_connect_1=8, m_connect_2=9, m_dataReceived=7, m_disconnect=2, m_getValueX=3, m_getValueY=4, m_init=1, m_update=6, q=0, this_m_accX=0, this_m_accY=0, this_m_conn=0, this_m_conn_data_listener=0, this_m_delta=1, this_m_samples=200, this_m_sensitivity=100, this_m_sensorInfo=0] Loop: [L34] COND TRUE 1 [L37] int P1=__VERIFIER_nondet_int(); [L38] int P2=__VERIFIER_nondet_int(); [L39] int P3=__VERIFIER_nondet_int(); [L40] _Bool P4=__VERIFIER_nondet_int(); [L41] _Bool P5=__VERIFIER_nondet_int(); [L42] _Bool P6=__VERIFIER_nondet_int(); [L46] COND TRUE q == 0 [L47] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:36:41,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194dc356-fd56-48df-8096-f80989dcb52d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)