./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8 --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 6a2e67ae2e22c522227b4a149e1522cfb51ba347d38406e51fd570ee242daac0 --- 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-e04fb08 [2022-11-16 11:01:31,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:01:31,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:01:31,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:01:31,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:01:31,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:01:31,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:01:31,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:01:31,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:01:31,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:01:31,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:01:31,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:01:31,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:01:31,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:01:31,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:01:31,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:01:31,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:01:31,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:01:31,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:01:31,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:01:31,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:01:31,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:01:31,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:01:31,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:01:31,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:01:31,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:01:31,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:01:31,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:01:31,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:01:31,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:01:31,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:01:31,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:01:31,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:01:31,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:01:31,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:01:31,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:01:31,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:01:31,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:01:31,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:01:31,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:01:31,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:01:31,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:01:31,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:01:31,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:01:31,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:01:31,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:01:31,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:01:31,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:01:31,408 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:01:31,408 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:01:31,408 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:01:31,409 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:01:31,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:01:31,409 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:01:31,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:01:31,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:01:31,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:01:31,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:01:31,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:01:31,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:01:31,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:01:31,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:01:31,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:01:31,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:01:31,411 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:01:31,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:01:31,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:01:31,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:01:31,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:01:31,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:01:31,413 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:01:31,414 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_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2e67ae2e22c522227b4a149e1522cfb51ba347d38406e51fd570ee242daac0 [2022-11-16 11:01:31,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:01:31,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:01:31,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:01:31,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:01:31,727 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:01:31,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-bwb/not-04.c [2022-11-16 11:01:31,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/data/728e86128/e695bcb82cf5402b80edba24db9d2c98/FLAG890aad91d [2022-11-16 11:01:32,275 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:01:32,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/sv-benchmarks/c/termination-bwb/not-04.c [2022-11-16 11:01:32,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/data/728e86128/e695bcb82cf5402b80edba24db9d2c98/FLAG890aad91d [2022-11-16 11:01:32,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/data/728e86128/e695bcb82cf5402b80edba24db9d2c98 [2022-11-16 11:01:32,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:01:32,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:01:32,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:32,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:01:32,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:01:32,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dba691e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32, skipping insertion in model container [2022-11-16 11:01:32,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:01:32,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:01:32,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:32,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:01:32,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:32,927 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:01:32,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32 WrapperNode [2022-11-16 11:01:32,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:32,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:32,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:01:32,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:01:32,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,956 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-16 11:01:32,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:32,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:01:32,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:01:32,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:01:32,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:01:32,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:01:32,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:01:32,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:01:32,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (1/1) ... [2022-11-16 11:01:32,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:33,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:33,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:01:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:01:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:01:33,117 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:01:33,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:01:33,221 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:01:33,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:01:33,230 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:01:33,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:33 BoogieIcfgContainer [2022-11-16 11:01:33,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:01:33,235 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:01:33,235 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:01:33,239 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:01:33,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:33,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:01:32" (1/3) ... [2022-11-16 11:01:33,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1871937c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:01:33, skipping insertion in model container [2022-11-16 11:01:33,241 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:33,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:32" (2/3) ... [2022-11-16 11:01:33,241 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1871937c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:01:33, skipping insertion in model container [2022-11-16 11:01:33,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:33,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:33" (3/3) ... [2022-11-16 11:01:33,243 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-04.c [2022-11-16 11:01:33,314 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:01:33,315 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:01:33,315 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:01:33,315 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:01:33,315 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:01:33,315 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:01:33,315 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:01:33,316 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:01:33,320 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) [2022-11-16 11:01:33,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:01:33,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:33,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:33,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:01:33,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:01:33,349 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:01:33,349 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) [2022-11-16 11:01:33,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:01:33,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:33,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:33,351 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:01:33,351 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:01:33,366 INFO L748 eck$LassoCheckResult]: Stem: 5#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;main_~a~0#1 := 0; 6#L18-2true [2022-11-16 11:01:33,367 INFO L750 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(0 != main_~y~0#1); 4#L18true assume !(main_~x~0#1 <= 0 || main_~y~0#1 <= 0);main_~x~0#1 := ~bitwiseComplement(main_~y~0#1);assume main_~x~0#1 != main_~y~0#1;assume main_~y~0#1 >= 0 || main_~x~0#1 > 0; 6#L18-2true [2022-11-16 11:01:33,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:33,373 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:01:33,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:33,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471550304] [2022-11-16 11:01:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-16 11:01:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:33,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092478573] [2022-11-16 11:01:33,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:33,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:33,486 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-16 11:01:33,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:33,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050495916] [2022-11-16 11:01:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:33,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:01:33 BoogieIcfgContainer [2022-11-16 11:01:33,619 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:01:33,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:01:33,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:01:33,619 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:01:33,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:33" (3/4) ... [2022-11-16 11:01:33,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:01:33,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:01:33,624 INFO L158 Benchmark]: Toolchain (without parser) took 952.96ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 53.2MB in the end (delta: 12.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-11-16 11:01:33,625 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:33,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.38ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 82.6MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:01:33,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.80ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:33,643 INFO L158 Benchmark]: Boogie Preprocessor took 21.17ms. Allocated memory is still 107.0MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 879.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:01:33,644 INFO L158 Benchmark]: RCFGBuilder took 252.47ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 72.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:01:33,644 INFO L158 Benchmark]: BuchiAutomizer took 383.86ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 53.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:01:33,645 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 107.0MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:33,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.38ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 82.6MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.80ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.17ms. Allocated memory is still 107.0MB. Free memory was 81.3MB in the beginning and 80.5MB in the end (delta: 879.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.47ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 72.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 383.86ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 53.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 107.0MB. Free memory is still 53.2MB. 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: LassoAnalysisResults: nont1 unkn0 SFLI0 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: x = ~y [21] (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;main_~a~0#1 := 0;" Loop: "assume !!(0 != main_~y~0#1);" "assume !(main_~x~0#1 <= 0 || main_~y~0#1 <= 0);main_~x~0#1 := ~bitwiseComplement(main_~y~0#1);assume main_~x~0#1 != main_~y~0#1;assume main_~y~0#1 >= 0 || main_~x~0#1 > 0;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-16 11:01:33,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036bc640-cf66-4e61-8180-2a9d7c061bc8/bin/uautomizer-tPACEb0tL8/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