./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/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_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/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 64bit --witnessprinter.graph.data.programhash 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 --- 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 12:07:12,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:07:12,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:07:12,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:07:12,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:07:12,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:07:12,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:07:12,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:07:12,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:07:12,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:07:12,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:07:12,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:07:12,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:07:12,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:07:12,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:07:12,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:07:12,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:07:12,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:07:12,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:07:12,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:07:12,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:07:12,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:07:12,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:07:12,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:07:12,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:07:12,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:07:12,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:07:12,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:07:12,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:07:12,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:07:12,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:07:12,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:07:12,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:07:12,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:07:12,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:07:12,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:07:12,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:07:12,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:07:12,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:07:12,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:07:12,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:07:12,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:07:12,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:07:12,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:07:12,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:07:12,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:07:12,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:07:12,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:07:12,549 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:07:12,549 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:07:12,549 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:07:12,550 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:07:12,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:07:12,551 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:07:12,551 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:07:12,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:07:12,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:07:12,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:07:12,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:07:12,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:07:12,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:07:12,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:07:12,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:07:12,554 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:07:12,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:07:12,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:07:12,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:07:12,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:07:12,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:07:12,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:07:12,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:07:12,558 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_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b6e59622d7705af1cf59256728eb18a1c337eedcf13e6d5197ea4edf09b2511 [2022-11-20 12:07:12,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:07:12,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:07:12,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:07:12,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:07:12,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:07:12,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-restricted-15/b.05.c [2022-11-20 12:07:16,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:07:16,874 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:07:16,875 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/sv-benchmarks/c/termination-restricted-15/b.05.c [2022-11-20 12:07:16,880 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/data/71af9c038/21c2f46df75b40098aec641706b3c8c5/FLAG9e3d44119 [2022-11-20 12:07:16,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/data/71af9c038/21c2f46df75b40098aec641706b3c8c5 [2022-11-20 12:07:16,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:07:16,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:07:16,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:07:16,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:07:16,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:07:16,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:07:16" (1/1) ... [2022-11-20 12:07:16,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab58870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:16, skipping insertion in model container [2022-11-20 12:07:16,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:07:16" (1/1) ... [2022-11-20 12:07:16,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:07:16,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:07:17,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:07:17,138 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:07:17,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:07:17,179 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:07:17,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17 WrapperNode [2022-11-20 12:07:17,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:07:17,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:07:17,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:07:17,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:07:17,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,229 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-11-20 12:07:17,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:07:17,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:07:17,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:07:17,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:07:17,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:07:17,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:07:17,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:07:17,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:07:17,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (1/1) ... [2022-11-20 12:07:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:17,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:17,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:07:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:07:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:07:17,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:07:17,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:07:17,577 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:07:17,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:07:17,584 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:07:17,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:07:17 BoogieIcfgContainer [2022-11-20 12:07:17,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:07:17,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:07:17,588 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:07:17,593 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:07:17,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:07:17,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:07:16" (1/3) ... [2022-11-20 12:07:17,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22f1f409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:07:17, skipping insertion in model container [2022-11-20 12:07:17,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:07:17,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:07:17" (2/3) ... [2022-11-20 12:07:17,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22f1f409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:07:17, skipping insertion in model container [2022-11-20 12:07:17,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:07:17,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:07:17" (3/3) ... [2022-11-20 12:07:17,599 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.05.c [2022-11-20 12:07:17,666 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:07:17,667 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:07:17,667 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:07:17,667 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:07:17,667 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:07:17,668 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:07:17,668 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:07:17,668 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:07:17,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:07:17,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 12:07:17,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:07:17,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:07:17,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:07:17,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 12:07:17,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:07:17,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:07:17,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 12:07:17,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:07:17,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:07:17,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:07:17,699 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 12:07:17,708 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~tmp~0#1;havoc main_~x~0#1;havoc main_~tmp~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~tmp~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L9-2true [2022-11-20 12:07:17,709 INFO L750 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(((main_~x~0#1 > 0 && main_~tmp~0#1 < 1073741824) && -1073741824 < main_~tmp~0#1) && main_~x~0#1 == 2 * main_~tmp~0#1);main_~x~0#1 := main_~x~0#1 - 1;main_~tmp~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5#L9-2true [2022-11-20 12:07:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:07:17,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:07:17,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678392402] [2022-11-20 12:07:17,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:07:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:07:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:07:17,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:17,844 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-20 12:07:17,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:07:17,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595119338] [2022-11-20 12:07:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:07:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:07:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:07:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:17,879 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 12:07:17,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:07:17,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563146512] [2022-11-20 12:07:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:17,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:07:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:07:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:07:17,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:07:18,035 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:07:18,036 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:07:18,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:07:18,037 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:07:18,037 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:07:18,037 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:07:18,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:07:18,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2022-11-20 12:07:18,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:07:18,039 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:07:18,063 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 12:07:18,104 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 12:07:18,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:07:18,262 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:07:18,263 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:07:18,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:07:18,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:07:18,367 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:07:18,412 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:07:18,413 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:07:18,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:07:18,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:07:18,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:07:18,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:07:18,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:07:18,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:07:18,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:07:18,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:07:18,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:07:18,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:07:18,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:07:18,617 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:07:18,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,630 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:07:18,630 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:07:18,630 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:07:18,630 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:07:18,631 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:07:18,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:07:18,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:07:18,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2022-11-20 12:07:18,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:07:18,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:07:18,635 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 12:07:18,650 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 12:07:18,661 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 12:07:18,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:07:18,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:07:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,808 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 12:07:18,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:07:18,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:07:18,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:07:18,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:07:18,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:07:18,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:07:18,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:07:18,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:07:18,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,884 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 12:07:18,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:07:18,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:07:18,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:07:18,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:07:18,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:07:18,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:07:18,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:07:18,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:07:18,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:18,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:18,955 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:18,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:07:18,966 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 12:07:18,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:07:18,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:07:18,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:07:18,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:07:18,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:07:18,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:07:18,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:07:19,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:07:19,015 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 12:07:19,015 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:07:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:07:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:19,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:07:19,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:07:19,054 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:07:19,054 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:07:19,055 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-20 12:07:19,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:07:19,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:19,070 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:07:19,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:19,108 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:07:19,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:19,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:07:19,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:19,129 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 12:07:19,172 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-20 12:07:19,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:07:19,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 16 states and 19 transitions. Complement of second has 5 states. [2022-11-20 12:07:19,217 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 [2022-11-20 12:07:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 12:07:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 12:07:19,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-20 12:07:19,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:07:19,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-20 12:07:19,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:07:19,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 12:07:19,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:07:19,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-20 12:07:19,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:07:19,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-20 12:07:19,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:07:19,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:07:19,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:07:19,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:07:19,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:07:19,237 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:07:19,238 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:07:19,238 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:07:19,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:07:19,238 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:07:19,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:07:19,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:07:19 BoogieIcfgContainer [2022-11-20 12:07:19,247 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:07:19,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:07:19,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:07:19,248 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:07:19,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:07:17" (3/4) ... [2022-11-20 12:07:19,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:07:19,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:07:19,254 INFO L158 Benchmark]: Toolchain (without parser) took 2350.42ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 52.3MB in the end (delta: 46.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-20 12:07:19,255 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:07:19,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.74ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 113.7MB in the end (delta: -15.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-20 12:07:19,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.09ms. Allocated memory is still 140.5MB. Free memory was 113.7MB in the beginning and 112.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:07:19,257 INFO L158 Benchmark]: Boogie Preprocessor took 49.04ms. Allocated memory is still 140.5MB. Free memory was 112.4MB in the beginning and 111.4MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:07:19,258 INFO L158 Benchmark]: RCFGBuilder took 304.79ms. Allocated memory is still 140.5MB. Free memory was 111.4MB in the beginning and 102.7MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:07:19,259 INFO L158 Benchmark]: BuchiAutomizer took 1659.19ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 52.7MB in the end (delta: 49.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 12:07:19,259 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 140.5MB. Free memory was 52.7MB in the beginning and 52.3MB in the end (delta: 389.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:07:19,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.74ms. Allocated memory is still 140.5MB. Free memory was 98.3MB in the beginning and 113.7MB in the end (delta: -15.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.09ms. Allocated memory is still 140.5MB. Free memory was 113.7MB in the beginning and 112.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.04ms. Allocated memory is still 140.5MB. Free memory was 112.4MB in the beginning and 111.4MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 304.79ms. Allocated memory is still 140.5MB. Free memory was 111.4MB in the beginning and 102.7MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1659.19ms. Allocated memory is still 140.5MB. Free memory was 102.7MB in the beginning and 52.7MB in the end (delta: 49.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 140.5MB. Free memory was 52.7MB in the beginning and 52.3MB in the end (delta: 389.1kB). 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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 -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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 12:07:19,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:19,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86116cef-a2e2-4ff6-8843-0d68dafe9f6c/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