./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- 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-6b4ec56 [2022-11-20 11:54:23,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:54:23,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:54:23,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:54:23,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:54:23,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:54:23,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:54:23,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:54:23,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:54:23,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:54:23,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:54:23,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:54:23,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:54:23,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:54:23,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:54:23,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:54:23,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:54:23,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:54:23,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:54:23,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:54:23,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:54:23,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:54:23,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:54:23,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:54:23,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:54:23,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:54:23,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:54:23,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:54:23,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:54:23,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:54:23,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:54:23,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:54:23,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:54:23,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:54:23,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:54:23,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:54:23,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:54:23,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:54:23,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:54:23,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:54:23,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:54:23,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 11:54:23,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:54:23,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:54:23,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:54:23,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:54:23,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:54:23,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:54:23,599 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:54:23,599 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:54:23,599 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:54:23,599 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:54:23,600 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:54:23,601 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:54:23,601 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:54:23,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:54:23,601 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:54:23,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:54:23,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:54:23,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:54:23,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:54:23,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:54:23,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:54:23,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:54:23,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:54:23,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:54:23,603 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:54:23,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:54:23,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:54:23,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:54:23,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:54:23,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:54:23,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:54:23,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:54:23,608 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_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2022-11-20 11:54:24,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:54:24,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:54:24,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:54:24,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:54:24,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:54:24,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/loop-invgen/id_trans.i [2022-11-20 11:54:27,543 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:54:27,841 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:54:27,841 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/sv-benchmarks/c/loop-invgen/id_trans.i [2022-11-20 11:54:27,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/data/0c03c6493/5b89f4de568f4adaa0c8c1da5b958a27/FLAGd15918731 [2022-11-20 11:54:27,869 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/data/0c03c6493/5b89f4de568f4adaa0c8c1da5b958a27 [2022-11-20 11:54:27,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:54:27,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:54:27,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:27,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:54:27,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:54:27,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:27" (1/1) ... [2022-11-20 11:54:27,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f2770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:27, skipping insertion in model container [2022-11-20 11:54:27,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:54:27" (1/1) ... [2022-11-20 11:54:27,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:54:27,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:54:28,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-11-20 11:54:28,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:28,201 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:54:28,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-11-20 11:54:28,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:54:28,261 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:54:28,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28 WrapperNode [2022-11-20 11:54:28,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:54:28,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:28,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:54:28,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:54:28,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,312 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-20 11:54:28,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:54:28,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:54:28,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:54:28,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:54:28,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:54:28,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:54:28,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:54:28,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:54:28,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (1/1) ... [2022-11-20 11:54:28,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:28,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:28,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:28,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:54:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:54:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:54:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:54:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:54:28,546 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:54:28,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:54:28,756 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:54:28,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:54:28,779 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:54:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:28 BoogieIcfgContainer [2022-11-20 11:54:28,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:54:28,783 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:54:28,783 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:54:28,787 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:54:28,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:28,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:54:27" (1/3) ... [2022-11-20 11:54:28,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a1cda84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:28, skipping insertion in model container [2022-11-20 11:54:28,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:28,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:54:28" (2/3) ... [2022-11-20 11:54:28,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a1cda84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:54:28, skipping insertion in model container [2022-11-20 11:54:28,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:54:28,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:28" (3/3) ... [2022-11-20 11:54:28,793 INFO L332 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2022-11-20 11:54:28,858 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:54:28,858 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:54:28,858 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:54:28,858 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:54:28,859 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:54:28,859 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:54:28,859 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:54:28,859 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:54:28,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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) [2022-11-20 11:54:28,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-11-20 11:54:28,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:28,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:28,893 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:54:28,893 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:54:28,893 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:54:28,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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) [2022-11-20 11:54:28,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-11-20 11:54:28,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:54:28,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:54:28,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:54:28,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:54:28,907 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_~idBitLength~0#1, main_~material_length~0#1, main_~nlen~0#1, main_~j~0#1, main_~k~0#1;havoc main_~idBitLength~0#1;havoc main_~material_length~0#1;havoc main_~nlen~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~nlen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~idBitLength~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~material_length~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5#L30true assume !!(main_~nlen~0#1 == (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 32 then 1 + main_~idBitLength~0#1 / 32 else main_~idBitLength~0#1 / 32));main_~j~0#1 := 0; 11#L31-3true [2022-11-20 11:54:28,908 INFO L750 eck$LassoCheckResult]: Loop: 11#L31-3true assume !!(main_~j~0#1 < (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 8 then 1 + main_~idBitLength~0#1 / 8 else main_~idBitLength~0#1 / 8) && main_~j~0#1 < main_~material_length~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 < main_~material_length~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 6#L18-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 9#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) < main_~nlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-11true assume { :end_inline___VERIFIER_assert } true; 20#L31-2true main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11#L31-3true [2022-11-20 11:54:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:28,915 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-20 11:54:28,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:28,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796847964] [2022-11-20 11:54:28,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:28,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1560846529, now seen corresponding path program 1 times [2022-11-20 11:54:29,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:29,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037811062] [2022-11-20 11:54:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:29,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:29,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:29,290 INFO L85 PathProgramCache]: Analyzing trace with hash 294954018, now seen corresponding path program 1 times [2022-11-20 11:54:29,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:29,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402049430] [2022-11-20 11:54:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:29,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:54:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:54:29,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:54:30,220 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:30,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:30,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:30,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:30,221 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 11:54:30,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:30,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:30,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-11-20 11:54:30,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:30,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:30,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:30,417 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 11:54:30,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:30,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:30,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 11:54:30,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:30,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:54:30,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:30,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:30,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:30,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:54:30,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 11:54:30,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 11:54:30,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 11:54:30,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:30,605 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:54:30,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:54:30,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:54:30,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:54:30,606 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:54:30,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:54:30,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:54:30,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-11-20 11:54:30,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:54:30,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:54:30,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:54:30,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:54:30,819 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:54:30,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:30,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:30,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:54:30,832 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 [2022-11-20 11:54:30,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:30,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:30,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:30,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:30,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:30,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:30,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:30,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:30,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:30,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:30,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:30,889 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 [2022-11-20 11:54:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:54:30,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:30,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:30,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:30,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:30,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:30,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:30,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:30,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:54:30,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:30,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:30,938 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:30,947 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 [2022-11-20 11:54:30,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:54:30,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:54:30,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:54:30,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:54:30,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:54:30,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:54:30,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:54:30,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:54:30,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:54:30,993 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:54:30,993 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 11:54:30,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:54:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:54:31,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:54:31,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:54:31,043 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 11:54:31,043 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:54:31,044 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nlen~0#1, ULTIMATE.start_main_~j~0#1) = 4*ULTIMATE.start_main_~nlen~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-20 11:54:31,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:54:31,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:31,058 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 11:54:31,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:31,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:54:31,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:31,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:54:31,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:54:31,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:54:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:54:31,740 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:54:31,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-20 11:54:31,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) Result 60 states and 74 transitions. Complement of second has 9 states. [2022-11-20 11:54:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 11:54:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-20 11:54:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-11-20 11:54:31,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 10 letters. [2022-11-20 11:54:31,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:31,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 13 letters. Loop has 10 letters. [2022-11-20 11:54:31,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:31,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 20 letters. [2022-11-20 11:54:31,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:54:31,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 74 transitions. [2022-11-20 11:54:32,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:54:32,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2022-11-20 11:54:32,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:54:32,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:54:32,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:54:32,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:54:32,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:32,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:32,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:54:32,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:54:32,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:54:32,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:54:32,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:54:32,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:54:32 BoogieIcfgContainer [2022-11-20 11:54:32,020 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:54:32,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:54:32,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:54:32,022 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:54:32,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:54:28" (3/4) ... [2022-11-20 11:54:32,025 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:54:32,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:54:32,026 INFO L158 Benchmark]: Toolchain (without parser) took 4152.65ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 125.0MB in the beginning and 113.8MB in the end (delta: 11.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-11-20 11:54:32,028 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 131.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:32,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.60ms. Allocated memory is still 155.2MB. Free memory was 124.6MB in the beginning and 114.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:54:32,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 113.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:32,036 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 112.0MB in the end (delta: 897.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:54:32,037 INFO L158 Benchmark]: RCFGBuilder took 426.02ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 101.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:54:32,038 INFO L158 Benchmark]: BuchiAutomizer took 3237.69ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 101.5MB in the beginning and 113.8MB in the end (delta: -12.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 11:54:32,038 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 190.8MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:54:32,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 131.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.60ms. Allocated memory is still 155.2MB. Free memory was 124.6MB in the beginning and 114.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 155.2MB. Free memory was 114.5MB in the beginning and 113.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 112.0MB in the end (delta: 897.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.02ms. Allocated memory is still 155.2MB. Free memory was 112.0MB in the beginning and 101.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3237.69ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 101.5MB in the beginning and 113.8MB in the end (delta: -12.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 190.8MB. Free memory is still 113.8MB. 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 -1 * j + 4 * nlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf98 smp48 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:54:32,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cf2bfbb-a5b8-4d77-bc9f-ae2640cbdf84/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE