./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-03-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-03-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro --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 64bit --witnessprinter.graph.data.programhash bfe3774f338fff1efd12c2f95aa173e1ad8cef8d4f5d724dd7b77b773a2449e9 --- 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-8393723 [2022-11-18 19:52:53,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:52:53,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:52:53,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:52:53,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:52:53,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:52:53,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:52:53,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:52:53,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:52:53,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:52:53,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:52:53,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:52:53,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:52:53,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:52:53,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:52:53,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:52:53,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:52:53,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:52:53,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:52:53,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:52:53,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:52:53,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:52:53,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:52:53,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:52:53,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:52:53,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:52:53,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:52:53,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:52:53,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:52:53,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:52:53,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:52:53,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:52:53,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:52:53,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:52:53,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:52:53,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:52:53,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:52:53,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:52:53,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:52:53,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:52:53,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:52:53,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 19:52:53,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:52:53,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:52:53,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:52:53,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:52:53,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:52:53,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:52:53,387 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:52:53,388 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:52:53,388 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:52:53,388 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:52:53,388 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:52:53,388 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:52:53,389 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:52:53,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:52:53,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:52:53,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:52:53,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:52:53,390 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:52:53,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:52:53,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:52:53,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:52:53,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:52:53,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:52:53,393 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:52:53,393 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfe3774f338fff1efd12c2f95aa173e1ad8cef8d4f5d724dd7b77b773a2449e9 [2022-11-18 19:52:53,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:52:53,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:52:53,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:52:53,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:52:53,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:52:53,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-bwb/not-03-false.c [2022-11-18 19:52:53,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/data/afdc1c18e/5782d7f65b084b5bb10f48841098e01b/FLAG7e8dbe0fc [2022-11-18 19:52:54,477 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:52:54,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/sv-benchmarks/c/termination-bwb/not-03-false.c [2022-11-18 19:52:54,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/data/afdc1c18e/5782d7f65b084b5bb10f48841098e01b/FLAG7e8dbe0fc [2022-11-18 19:52:54,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/data/afdc1c18e/5782d7f65b084b5bb10f48841098e01b [2022-11-18 19:52:54,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:52:54,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:52:54,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:54,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:52:54,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:52:54,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:54" (1/1) ... [2022-11-18 19:52:54,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd1b398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:54, skipping insertion in model container [2022-11-18 19:52:54,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:54" (1/1) ... [2022-11-18 19:52:54,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:52:54,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:55,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:55,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:52:55,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:55,195 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:52:55,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55 WrapperNode [2022-11-18 19:52:55,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:55,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:55,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:52:55,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:52:55,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,238 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-18 19:52:55,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:55,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:52:55,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:52:55,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:52:55,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,265 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:52:55,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:52:55,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:52:55,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:52:55,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (1/1) ... [2022-11-18 19:52:55,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:55,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:55,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:52:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:52:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:52:55,442 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:52:55,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:52:55,533 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:55,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:55,542 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:52:55,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:55 BoogieIcfgContainer [2022-11-18 19:52:55,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:55,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:52:55,546 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:52:55,551 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:52:55,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:52:55,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:52:54" (1/3) ... [2022-11-18 19:52:55,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb01a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:52:55, skipping insertion in model container [2022-11-18 19:52:55,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:52:55,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:55" (2/3) ... [2022-11-18 19:52:55,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb01a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:52:55, skipping insertion in model container [2022-11-18 19:52:55,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:52:55,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:55" (3/3) ... [2022-11-18 19:52:55,556 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-03-false.c [2022-11-18 19:52:55,624 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:52:55,624 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:52:55,625 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:52:55,625 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:52:55,625 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:52:55,625 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:52:55,625 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:52:55,626 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:52:55,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-18 19:52:55,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:52:55,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:52:55,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:52:55,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:52:55,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:52:55,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:52:55,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-18 19:52:55,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:52:55,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:52:55,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:52:55,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:52:55,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:52:55,670 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L19-2true [2022-11-18 19:52:55,671 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0); 8#L19true assume !(main_~x~0#1 > main_~y~0#1);main_~x~0#1 := main_~x~0#1 - 1; 2#L19-2true [2022-11-18 19:52:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:55,678 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 19:52:55,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:55,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796563073] [2022-11-18 19:52:55,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:55,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:55,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:55,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:55,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:55,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-18 19:52:55,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:55,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147278221] [2022-11-18 19:52:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:55,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:55,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147278221] [2022-11-18 19:52:55,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147278221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:55,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:55,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:52:55,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631274684] [2022-11-18 19:52:55,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:55,909 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 19:52:55,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:55,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:52:55,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:52:55,953 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-18 19:52:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:55,972 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2022-11-18 19:52:55,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 8 transitions. [2022-11-18 19:52:55,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:52:55,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 4 transitions. [2022-11-18 19:52:55,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-18 19:52:55,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2022-11-18 19:52:55,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2022-11-18 19:52:55,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:52:55,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 19:52:56,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2022-11-18 19:52:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2022-11-18 19:52:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 19:52:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2022-11-18 19:52:56,015 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 19:52:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:52:56,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-11-18 19:52:56,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:52:56,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2022-11-18 19:52:56,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:52:56,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:52:56,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:52:56,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:52:56,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:52:56,024 INFO L748 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 28#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 25#L19-2 [2022-11-18 19:52:56,024 INFO L750 eck$LassoCheckResult]: Loop: 25#L19-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0); 26#L19 assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~x~0#1);assume main_~y~0#1 != main_~x~0#1;assume main_~x~0#1 >= 0 || main_~y~0#1 > 0; 25#L19-2 [2022-11-18 19:52:56,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:56,025 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-18 19:52:56,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:56,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168268744] [2022-11-18 19:52:56,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:56,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:56,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-11-18 19:52:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:56,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671782047] [2022-11-18 19:52:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:56,053 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-18 19:52:56,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:56,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368891549] [2022-11-18 19:52:56,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:56,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:56,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:52:56 BoogieIcfgContainer [2022-11-18 19:52:56,205 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:52:56,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:52:56,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:52:56,207 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:52:56,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:55" (3/4) ... [2022-11-18 19:52:56,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:52:56,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:52:56,228 INFO L158 Benchmark]: Toolchain (without parser) took 1373.72ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 88.5MB in the end (delta: 26.1MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-18 19:52:56,229 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:56,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.54ms. Allocated memory is still 148.9MB. Free memory was 114.3MB in the beginning and 125.8MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:56,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.30ms. Allocated memory is still 148.9MB. Free memory was 125.8MB in the beginning and 124.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:56,232 INFO L158 Benchmark]: Boogie Preprocessor took 27.86ms. Allocated memory is still 148.9MB. Free memory was 124.6MB in the beginning and 123.7MB in the end (delta: 868.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:56,233 INFO L158 Benchmark]: RCFGBuilder took 274.83ms. Allocated memory is still 148.9MB. Free memory was 123.3MB in the beginning and 115.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:56,234 INFO L158 Benchmark]: BuchiAutomizer took 659.61ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 88.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-18 19:52:56,234 INFO L158 Benchmark]: Witness Printer took 21.27ms. Allocated memory is still 148.9MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:56,239 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 92.3MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.54ms. Allocated memory is still 148.9MB. Free memory was 114.3MB in the beginning and 125.8MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.30ms. Allocated memory is still 148.9MB. Free memory was 125.8MB in the beginning and 124.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.86ms. Allocated memory is still 148.9MB. Free memory was 124.6MB in the beginning and 123.7MB in the end (delta: 868.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.83ms. Allocated memory is still 148.9MB. Free memory was 123.3MB in the beginning and 115.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 659.61ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 88.9MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 21.27ms. Allocated memory is still 148.9MB. Free memory is still 88.5MB. There was no memory consumed. 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 module whose termination is unknown.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: y = ~x [20] (Reason bitwiseComplement) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" Loop: "assume !!(main_~x~0#1 > 0 && main_~y~0#1 < 0);" "assume main_~x~0#1 > main_~y~0#1;main_~y~0#1 := ~bitwiseComplement(main_~x~0#1);assume main_~y~0#1 != main_~x~0#1;assume main_~x~0#1 >= 0 || main_~y~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-18 19:52:56,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2533a84c-e583-4e43-b25c-847b040570a3/bin/uautomizer-TMbwUNV5ro/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN