./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa --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 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:16:58,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:16:58,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:16:58,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:16:58,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:16:58,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:16:58,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:16:58,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:16:58,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:16:58,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:16:58,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:16:58,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:16:58,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:16:58,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:16:58,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:16:58,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:16:58,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:16:58,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:16:58,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:16:58,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:16:58,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:16:58,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:16:58,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:16:58,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:16:58,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:16:58,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:16:58,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:16:58,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:16:58,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:16:58,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:16:58,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:16:58,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:16:58,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:16:58,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:16:58,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:16:58,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:16:58,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:16:58,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:16:58,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:16:58,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:16:58,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:16:58,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:16:58,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:16:58,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:16:58,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:16:58,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:16:58,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:16:58,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:16:58,204 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:16:58,204 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:16:58,204 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:16:58,205 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:16:58,205 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:16:58,205 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:16:58,205 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:16:58,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:16:58,205 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:16:58,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:16:58,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:16:58,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:16:58,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:16:58,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:16:58,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:16:58,208 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:16:58,208 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_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 [2021-12-06 23:16:58,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:16:58,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:16:58,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:16:58,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:16:58,419 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:16:58,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i [2021-12-06 23:16:58,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/data/98b78f39b/d0a2d9e1208945b4873d8e1abb1fe5df/FLAG36a9e1420 [2021-12-06 23:16:58,898 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:16:58,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i [2021-12-06 23:16:58,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/data/98b78f39b/d0a2d9e1208945b4873d8e1abb1fe5df/FLAG36a9e1420 [2021-12-06 23:16:59,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/data/98b78f39b/d0a2d9e1208945b4873d8e1abb1fe5df [2021-12-06 23:16:59,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:16:59,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:16:59,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:59,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:16:59,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:16:59,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e9f208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59, skipping insertion in model container [2021-12-06 23:16:59,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:16:59,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:16:59,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:59,528 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:16:59,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:16:59,579 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:16:59,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59 WrapperNode [2021-12-06 23:16:59,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:16:59,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:59,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:16:59,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:16:59,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,608 INFO L137 Inliner]: procedures = 152, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2021-12-06 23:16:59,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:16:59,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:16:59,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:16:59,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:16:59,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:16:59,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:16:59,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:16:59,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:16:59,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (1/1) ... [2021-12-06 23:16:59,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:16:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:16:59,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:16:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:16:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:16:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:16:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:16:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:16:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:16:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:16:59,733 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:16:59,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:16:59,802 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:16:59,806 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:16:59,807 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:16:59,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:59 BoogieIcfgContainer [2021-12-06 23:16:59,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:16:59,809 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:16:59,809 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:16:59,811 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:16:59,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:16:59,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:16:59" (1/3) ... [2021-12-06 23:16:59,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d99dc5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:16:59, skipping insertion in model container [2021-12-06 23:16:59,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:16:59,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:16:59" (2/3) ... [2021-12-06 23:16:59,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d99dc5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:16:59, skipping insertion in model container [2021-12-06 23:16:59,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:16:59,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:59" (3/3) ... [2021-12-06 23:16:59,814 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrlen_reverse_alloca.i [2021-12-06 23:16:59,847 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:16:59,847 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:16:59,847 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:16:59,847 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:16:59,847 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:16:59,847 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:16:59,848 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:16:59,848 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:16:59,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:59,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:16:59,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:16:59,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:16:59,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 23:16:59,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:16:59,875 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:16:59,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:16:59,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 23:16:59,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:16:59,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:16:59,877 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 23:16:59,877 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 23:16:59,882 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet207#1, main_#t~malloc208#1.base, main_#t~malloc208#1.offset, main_#t~ret209#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet207#1;havoc main_#t~nondet207#1; 12#L373true assume !(main_~length1~0#1 < 1); 10#L373-2true call main_#t~malloc208#1.base, main_#t~malloc208#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc208#1.base, main_#t~malloc208#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset, cstrlen_#t~mem205#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 3#L367-3true [2021-12-06 23:16:59,882 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrlen_#t~mem205#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 11#L367-1true assume !!(0 != cstrlen_#t~mem205#1);havoc cstrlen_#t~mem205#1;cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset - 1;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset; 3#L367-3true [2021-12-06 23:16:59,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-06 23:16:59,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:59,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635776484] [2021-12-06 23:16:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:59,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:16:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:16:59,970 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:16:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:16:59,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:16:59,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:16:59,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2021-12-06 23:16:59,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:16:59,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690166843] [2021-12-06 23:16:59,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:16:59,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:17:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:17:00,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:17:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:17:00,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:17:00,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:17:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2021-12-06 23:17:00,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:17:00,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845465260] [2021-12-06 23:17:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:17:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:17:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:17:00,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:17:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:17:00,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:17:00,322 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:17:00,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:17:00,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:17:00,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:17:00,322 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:17:00,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:17:00,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:17:00,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen_reverse_alloca.i_Iteration1_Lasso [2021-12-06 23:17:00,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:17:00,323 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:17:00,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:17:00,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:17:00,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:17:00,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:17:00,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:17:00,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:17:00,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:17:00,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:17:00,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:17:00,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:17:00,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:17:00,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:17:00,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:17:00,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:17:00,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 23:17:00,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:17:00,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:17:00,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,700 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 23:17:00,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:17:00,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:17:00,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:17:00,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:17:00,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:17:00,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:17:00,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:17:00,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:17:00,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:17:00,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-06 23:17:00,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:17:00,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:17:00,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:17:00,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:17:00,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:17:00,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:17:00,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:17:00,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:17:00,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:17:00,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:17:00,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:17:00,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:17:00,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:17:00,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:17:00,833 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:17:00,855 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 23:17:00,855 INFO L444 ModelExtractionUtils]: 18 out of 28 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-06 23:17:00,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:17:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:17:00,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:17:00,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:17:00,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:17:00,868 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 23:17:00,868 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:17:00,869 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc208#1.base)_1) = 2*ULTIMATE.start_cstrlen_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc208#1.base)_1 Supporting invariants [] [2021-12-06 23:17:00,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:17:00,900 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-12-06 23:17:00,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:17:00,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 23:17:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:17:00,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:17:00,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:17:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:17:00,968 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 23:17:00,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:17:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:17:01,012 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 23:17:01,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:17:01,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Result 20 states and 23 transitions. Complement of second has 6 states. [2021-12-06 23:17:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 23:17:01,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:17:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-12-06 23:17:01,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 23:17:01,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:17:01,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 23:17:01,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:17:01,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-06 23:17:01,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:17:01,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-12-06 23:17:01,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:17:01,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-12-06 23:17:01,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:17:01,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:17:01,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:17:01,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:17:01,071 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:17:01,071 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:17:01,071 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:17:01,071 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:17:01,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:17:01,072 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:17:01,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:17:01,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:17:01 BoogieIcfgContainer [2021-12-06 23:17:01,076 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:17:01,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:17:01,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:17:01,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:17:01,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:16:59" (3/4) ... [2021-12-06 23:17:01,079 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:17:01,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:17:01,080 INFO L158 Benchmark]: Toolchain (without parser) took 1820.72ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 74.6MB in the beginning and 99.6MB in the end (delta: -25.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,080 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.24ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 79.9MB in the end (delta: -5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.88ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,082 INFO L158 Benchmark]: Boogie Preprocessor took 16.76ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,082 INFO L158 Benchmark]: RCFGBuilder took 181.64ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 67.4MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:17:01,082 INFO L158 Benchmark]: BuchiAutomizer took 1267.55ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 99.6MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,083 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 136.3MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:17:01,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.24ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 79.9MB in the end (delta: -5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.88ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.76ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 181.64ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 67.4MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1267.55ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 99.6MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 136.3MB. Free memory is still 99.6MB. 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + 2 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital117 mio100 ax100 hnf100 lsp94 ukn93 mio100 lsp47 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 23:17:01,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67864f3d-eb36-4df9-a9c1-ed9fe1a27265/bin/uautomizer-DrprNOufMa/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 Writing output log to file Ultimate.log Result: TRUE