./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/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_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/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 64bit --witnessprinter.graph.data.programhash 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 --- 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 20:34:36,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:36,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:36,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:36,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:36,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:36,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:36,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:36,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:36,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:36,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:36,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:36,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:36,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:36,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:36,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:36,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:36,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:36,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:36,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:36,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:36,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:36,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:36,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:36,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:36,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:36,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:36,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:36,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:36,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:36,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:36,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:36,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:36,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:36,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:36,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:36,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:36,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:36,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:36,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:36,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:36,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:34:36,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:36,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:36,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:36,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:36,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:36,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:36,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:36,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:34:36,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:34:36,260 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:34:36,260 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:34:36,261 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:34:36,261 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:34:36,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:36,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:34:36,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:36,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:36,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:34:36,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:34:36,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:34:36,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:36,263 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:34:36,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:36,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:34:36,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:36,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:36,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:36,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:36,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:34:36,266 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_4d94288d-765c-488b-9001-eff448d2c4a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 [2022-11-02 20:34:36,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:34:36,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:34:36,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:34:36,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:34:36,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:34:36,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/or-01-false.c [2022-11-02 20:34:36,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/data/45bf0af8c/70f2f44d2f4e4ee29894566ed37e78c5/FLAGc16481839 [2022-11-02 20:34:37,118 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:34:37,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/sv-benchmarks/c/termination-bwb/or-01-false.c [2022-11-02 20:34:37,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/data/45bf0af8c/70f2f44d2f4e4ee29894566ed37e78c5/FLAGc16481839 [2022-11-02 20:34:37,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/data/45bf0af8c/70f2f44d2f4e4ee29894566ed37e78c5 [2022-11-02 20:34:37,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:34:37,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:34:37,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:37,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:34:37,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:34:37,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42689af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37, skipping insertion in model container [2022-11-02 20:34:37,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:34:37,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:34:37,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:37,806 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:34:37,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:37,831 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:34:37,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37 WrapperNode [2022-11-02 20:34:37,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:37,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:37,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:34:37,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:34:37,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,861 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-11-02 20:34:37,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:37,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:34:37,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:34:37,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:34:37,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:34:37,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:34:37,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:34:37,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:34:37,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (1/1) ... [2022-11-02 20:34:37,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:37,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:37,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:37,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:34:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:34:37,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:34:38,021 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:34:38,023 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:34:38,133 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:34:38,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:34:38,142 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:34:38,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:38 BoogieIcfgContainer [2022-11-02 20:34:38,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:34:38,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:34:38,146 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:34:38,150 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:34:38,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:34:38,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:34:37" (1/3) ... [2022-11-02 20:34:38,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7bf0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:34:38, skipping insertion in model container [2022-11-02 20:34:38,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:34:38,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:37" (2/3) ... [2022-11-02 20:34:38,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7bf0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:34:38, skipping insertion in model container [2022-11-02 20:34:38,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:34:38,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:38" (3/3) ... [2022-11-02 20:34:38,156 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01-false.c [2022-11-02 20:34:38,233 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:34:38,234 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:34:38,234 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:34:38,234 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:34:38,234 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:34:38,234 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:34:38,234 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:34:38,235 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:34:38,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 20:34:38,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:34:38,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:34:38,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:34:38,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:34:38,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:34:38,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:34:38,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 20:34:38,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:34:38,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:34:38,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:34:38,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:34:38,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:34:38,279 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L20-2true [2022-11-02 20:34:38,280 INFO L750 eck$LassoCheckResult]: Loop: 4#L20-2true assume !!(main_~x~0#1 >= 0);main_~b~0#1 := (if (1 == main_~b~0#1 || 0 == main_~b~0#1) && 0 == main_~a~0#1 then main_~b~0#1 else (if 0 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1) then main_~a~0#1 else (if (1 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1)) || ((1 == main_~b~0#1 || 0 == main_~b~0#1) && 1 == main_~a~0#1) then 1 else ~bitwiseOr(main_~b~0#1, main_~a~0#1))));main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 4#L20-2true [2022-11-02 20:34:38,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:34:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:38,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556797813] [2022-11-02 20:34:38,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:34:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:34:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:34:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:38,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363348745] [2022-11-02 20:34:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:34:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:34:38,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:38,452 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:34:38,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:38,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831044170] [2022-11-02 20:34:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:38,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:34:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:34:38,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:34:39,086 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:34:39,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:34:39,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:34:39,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:34:39,088 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:34:39,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:39,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:34:39,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:34:39,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01-false.c_Iteration1_Lasso [2022-11-02 20:34:39,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:34:39,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:34:39,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:34:39,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:34:39,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:34:39,666 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:34:39,666 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:34:39,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:39,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:39,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:39,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:34:39,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:34:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:34:39,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:34:39,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:34:39,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:39,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:39,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:34:39,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:34:39,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:34:39,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:39,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:39,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:34:39,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:34:39,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:34:40,042 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:34:40,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=16, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=30} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=12, ULTIMATE.start_main_~b~0#1=12}, {ULTIMATE.start_main_~a~0#1=-30, ULTIMATE.start_main_~x~0#1=12, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~a~0#1=29, ULTIMATE.start_main_~x~0#1=18, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [31, 1, 1] Nus: [1, 0] [2022-11-02 20:34:40,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-02 20:34:40,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:34:40,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:40,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:40,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:34:40,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:34:40,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:34:40,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:34:40,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:34:40,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:40,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:34:40 BoogieIcfgContainer [2022-11-02 20:34:40,158 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:34:40,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:34:40,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:34:40,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:34:40,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:38" (3/4) ... [2022-11-02 20:34:40,165 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:34:40,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:34:40,171 INFO L158 Benchmark]: Toolchain (without parser) took 2656.43ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 76.0MB in the end (delta: -18.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:40,172 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:40,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.71ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 73.0MB in the end (delta: -15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:34:40,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.20ms. Allocated memory is still 94.4MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:40,174 INFO L158 Benchmark]: Boogie Preprocessor took 19.34ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 70.7MB in the end (delta: 802.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:40,180 INFO L158 Benchmark]: RCFGBuilder took 261.79ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 62.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:34:40,181 INFO L158 Benchmark]: BuchiAutomizer took 2012.14ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 61.7MB in the beginning and 76.7MB in the end (delta: -15.0MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-02 20:34:40,181 INFO L158 Benchmark]: Witness Printer took 9.66ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 76.0MB in the end (delta: 683.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:40,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.71ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 73.0MB in the end (delta: -15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.20ms. Allocated memory is still 94.4MB. Free memory was 73.0MB in the beginning and 71.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.34ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 70.7MB in the end (delta: 802.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.79ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 62.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2012.14ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 61.7MB in the beginning and 76.7MB in the end (delta: -15.0MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 9.66ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 76.0MB in the end (delta: 683.8kB). 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 1.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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: Lassos: inital65 mio100 ax100 hnf100 lsp249 ukn39 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf97 smp100 dnf344 smp31 tf100 neg95 sie109 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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: b|a [21] (Reason bitwiseOr) 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_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" Loop: "assume !!(main_~x~0#1 >= 0);main_~b~0#1 := (if (1 == main_~b~0#1 || 0 == main_~b~0#1) && 0 == main_~a~0#1 then main_~b~0#1 else (if 0 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1) then main_~a~0#1 else (if (1 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1)) || ((1 == main_~b~0#1 || 0 == main_~b~0#1) && 1 == main_~a~0#1) then 1 else ~bitwiseOr(main_~b~0#1, main_~a~0#1))));main_~x~0#1 := main_~x~0#1 + main_~b~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-02 20:34:40,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d94288d-765c-488b-9001-eff448d2c4a5/bin/uautomizer-Dbtcem3rbc/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