./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:52:31,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:52:31,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:52:31,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:52:31,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:52:31,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:52:31,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:52:31,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:52:31,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:52:31,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:52:31,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:52:31,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:52:31,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:52:31,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:52:31,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:52:31,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:52:31,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:52:31,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:52:31,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:52:31,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:52:31,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:52:31,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:52:31,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:52:31,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:52:31,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:52:31,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:52:31,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:52:31,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:52:31,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:52:31,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:52:31,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:52:31,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:52:31,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:52:31,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:52:31,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:52:31,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:52:31,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:52:31,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:52:31,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:52:31,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:52:31,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:52:31,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:52:31,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:52:31,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:52:31,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:52:31,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:52:31,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:52:31,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:52:31,982 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:52:31,983 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:52:31,983 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:52:31,983 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:52:31,984 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:52:31,984 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:52:31,985 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:52:31,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:52:31,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:52:31,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:52:31,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:52:31,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:52:31,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:52:31,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:52:31,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:52:31,987 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:52:31,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:52:31,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:52:31,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:52:31,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:52:31,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:52:31,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:52:31,991 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:52:31,991 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_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b244382de79ee7e63c5a39dc4ba4645eb8228d285c75cf6df9353c232d1a135 [2022-11-16 12:52:32,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:52:32,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:52:32,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:52:32,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:52:32,402 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:52:32,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c [2022-11-16 12:52:32,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/data/5fc46419e/8c2c7cdc21b64f0c86cb3852ada4f65c/FLAG20b0ffdb5 [2022-11-16 12:52:33,003 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:52:33,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/sv-benchmarks/c/termination-crafted-lit/Avery-FLOPS2006-Table1.c [2022-11-16 12:52:33,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/data/5fc46419e/8c2c7cdc21b64f0c86cb3852ada4f65c/FLAG20b0ffdb5 [2022-11-16 12:52:33,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/data/5fc46419e/8c2c7cdc21b64f0c86cb3852ada4f65c [2022-11-16 12:52:33,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:52:33,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:52:33,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:33,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:52:33,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:52:33,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d038f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33, skipping insertion in model container [2022-11-16 12:52:33,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:52:33,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:52:33,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:33,555 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:52:33,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:33,606 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:52:33,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33 WrapperNode [2022-11-16 12:52:33,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:33,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:33,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:52:33,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:52:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,640 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-16 12:52:33,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:33,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:52:33,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:52:33,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:52:33,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:52:33,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:52:33,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:52:33,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:52:33,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (1/1) ... [2022-11-16 12:52:33,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:33,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:33,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:33,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:52:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:52:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:52:33,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:52:33,852 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:52:33,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:52:33,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:52:33,935 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:52:33,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:33 BoogieIcfgContainer [2022-11-16 12:52:33,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:52:33,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:52:33,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:52:33,944 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:52:33,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:52:33,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:52:33" (1/3) ... [2022-11-16 12:52:33,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30257a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:52:33, skipping insertion in model container [2022-11-16 12:52:33,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:52:33,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:33" (2/3) ... [2022-11-16 12:52:33,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30257a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:52:33, skipping insertion in model container [2022-11-16 12:52:33,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:52:33,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:33" (3/3) ... [2022-11-16 12:52:33,948 INFO L332 chiAutomizerObserver]: Analyzing ICFG Avery-FLOPS2006-Table1.c [2022-11-16 12:52:34,005 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:52:34,006 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:52:34,006 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:52:34,006 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:52:34,006 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:52:34,006 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:52:34,006 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:52:34,007 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:52:34,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2022-11-16 12:52:34,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-11-16 12:52:34,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:52:34,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:52:34,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:52:34,043 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:52:34,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:52:34,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2022-11-16 12:52:34,044 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-11-16 12:52:34,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:52:34,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:52:34,045 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 12:52:34,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:52:34,052 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#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_~x~0#1, main_~y~0#1, main_~z~0#1, main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~i~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := 0;main_~i~0#1 := main_~x~0#1; 9#L20true assume main_~y~0#1 > 0 && main_~x~0#1 > 0; 6#L21-2true [2022-11-16 12:52:34,053 INFO L750 eck$LassoCheckResult]: Loop: 6#L21-2true assume !!(main_~i~0#1 > 0);main_~i~0#1 := main_~i~0#1 - 1;main_~z~0#1 := 1 + main_~z~0#1; 6#L21-2true [2022-11-16 12:52:34,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:34,058 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-16 12:52:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:34,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807613726] [2022-11-16 12:52:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:34,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:52:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:52:34,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:34,187 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2022-11-16 12:52:34,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:34,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719710265] [2022-11-16 12:52:34,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:34,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:52:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:52:34,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-11-16 12:52:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:34,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773289257] [2022-11-16 12:52:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:52:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:34,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:52:34,313 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:52:34,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:52:34,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:52:34,314 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:52:34,315 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:52:34,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:52:34,315 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:52:34,315 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-FLOPS2006-Table1.c_Iteration1_Loop [2022-11-16 12:52:34,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:52:34,316 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:52:34,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,442 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:52:34,443 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:52:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:34,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:52:34,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:52:34,563 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: [] [2022-11-16 12:52:34,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 12:52:34,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:34,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:52:34,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:52:34,636 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: [] [2022-11-16 12:52:34,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:34,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:34,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:52:34,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:34,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:52:34,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:52:34,761 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:52:34,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=0} Honda state: {ULTIMATE.start_main_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0#1=1}, {ULTIMATE.start_main_~z~0#1=-1}, {ULTIMATE.start_main_~z~0#1=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-11-16 12:52:34,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:34,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:52:34,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:34,801 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:34,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:34,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:34,856 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:52:34,856 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:34,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:52:34,908 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:52:34,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:34,916 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:52:34,916 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:52:34,916 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:52:34,916 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:52:34,916 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:52:34,916 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:34,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:52:34,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:52:34,917 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-FLOPS2006-Table1.c_Iteration1_Loop [2022-11-16 12:52:34,917 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:52:34,917 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:52:34,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:34,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:35,023 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:52:35,028 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:52:35,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:52:35,049 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 [2022-11-16 12:52:35,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:35,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:35,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:35,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:35,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:52:35,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:52:35,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:52:35,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,122 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 [2022-11-16 12:52:35,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:52:35,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:35,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:35,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:35,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:35,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:52:35,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:52:35,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:52:35,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 12:52:35,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,175 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,180 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 [2022-11-16 12:52:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:52:35,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:35,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:52:35,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:35,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:35,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:35,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:52:35,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:52:35,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:52:35,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,216 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,228 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 [2022-11-16 12:52:35,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:52:35,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:35,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:52:35,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:35,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:35,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:35,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:52:35,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:52:35,254 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:52:35,258 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:52:35,258 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 12:52:35,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,261 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:52:35,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:52:35,272 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:52:35,272 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:52:35,273 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-16 12:52:35,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,288 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:52:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:35,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:52:35,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:52:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:35,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:52:35,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:52:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:35,427 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 [2022-11-16 12:52:35,429 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:35,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 29 states and 37 transitions. Complement of second has 6 states. [2022-11-16 12:52:35,474 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 [2022-11-16 12:52:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-16 12:52:35,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-16 12:52:35,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:35,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-16 12:52:35,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:35,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 12:52:35,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:35,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2022-11-16 12:52:35,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:52:35,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 7 states and 9 transitions. [2022-11-16 12:52:35,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-16 12:52:35,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-16 12:52:35,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2022-11-16 12:52:35,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:35,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-16 12:52:35,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2022-11-16 12:52:35,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2022-11-16 12:52:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2022-11-16 12:52:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2022-11-16 12:52:35,524 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-16 12:52:35,524 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-16 12:52:35,525 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:52:35,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2022-11-16 12:52:35,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:52:35,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:52:35,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:52:35,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 12:52:35,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:52:35,527 INFO L748 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 74#L-1 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_~x~0#1, main_~y~0#1, main_~z~0#1, main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~i~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := 0;main_~i~0#1 := main_~x~0#1; 78#L20 assume main_~y~0#1 > 0 && main_~x~0#1 > 0; 76#L21-2 assume !(main_~i~0#1 > 0); 75#L25-1 [2022-11-16 12:52:35,527 INFO L750 eck$LassoCheckResult]: Loop: 75#L25-1 assume !!(main_~i~0#1 < main_~y~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~z~0#1 := main_~z~0#1 - 1; 75#L25-1 [2022-11-16 12:52:35,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash 925610, now seen corresponding path program 1 times [2022-11-16 12:52:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:35,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564231423] [2022-11-16 12:52:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:35,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:35,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:35,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564231423] [2022-11-16 12:52:35,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564231423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:35,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:35,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:52:35,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337781229] [2022-11-16 12:52:35,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:35,592 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:52:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:35,593 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2022-11-16 12:52:35,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:35,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108468681] [2022-11-16 12:52:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:35,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:52:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:52:35,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:52:35,626 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:52:35,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:52:35,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:52:35,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:52:35,627 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:52:35,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:52:35,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:52:35,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-FLOPS2006-Table1.c_Iteration2_Loop [2022-11-16 12:52:35,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:52:35,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:52:35,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:35,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:35,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:35,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:35,698 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:52:35,698 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:52:35,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,700 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:35,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:35,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:52:35,760 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:52:35,760 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:52:35,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,772 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:52:35,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:35,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:35,800 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 12:52:35,800 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 12:52:35,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:52:35,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:35,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:52:35,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:35,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:35,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:35,855 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:35,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:52:35,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:52:35,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:52:36,039 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:52:36,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:36,049 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:52:36,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:52:36,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:52:36,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:52:36,049 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:52:36,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:36,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:52:36,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:52:36,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-FLOPS2006-Table1.c_Iteration2_Loop [2022-11-16 12:52:36,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:52:36,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:52:36,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:36,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:36,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:36,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:52:36,128 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:52:36,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:52:36,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:36,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:36,141 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 [2022-11-16 12:52:36,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:52:36,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:36,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:36,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:36,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:36,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:52:36,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:52:36,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:52:36,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:36,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:36,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:36,183 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:36,193 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 [2022-11-16 12:52:36,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:52:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:52:36,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:52:36,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:52:36,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:52:36,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:52:36,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:52:36,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:52:36,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:52:36,234 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:52:36,235 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 12:52:36,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:52:36,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:36,263 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:36,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:52:36,272 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:52:36,272 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:52:36,272 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-16 12:52:36,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:52:36,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:36,283 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:52:36,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:36,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:52:36,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:52:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:36,319 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:52:36,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:52:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:36,320 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 [2022-11-16 12:52:36,321 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:36,326 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 7 states and 9 transitions. Complement of second has 2 states. [2022-11-16 12:52:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-16 12:52:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2022-11-16 12:52:36,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-16 12:52:36,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:36,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-16 12:52:36,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:36,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:52:36,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:52:36,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2022-11-16 12:52:36,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:52:36,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. [2022-11-16 12:52:36,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:52:36,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:52:36,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:52:36,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:36,330 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:52:36,331 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:52:36,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:36,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:52:36,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:52:36,335 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:36,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:36,338 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-16 12:52:36,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-16 12:52:36,338 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:52:36,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:52:36,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:52:36,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:52:36,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:52:36,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:36,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:52:36,339 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:52:36,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:52:36,340 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:52:36,340 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:52:36,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:52:36,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:52:36,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:52:36,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:52:36 BoogieIcfgContainer [2022-11-16 12:52:36,349 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:52:36,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:52:36,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:52:36,350 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:52:36,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:33" (3/4) ... [2022-11-16 12:52:36,353 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:52:36,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:52:36,354 INFO L158 Benchmark]: Toolchain (without parser) took 3005.22ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 55.5MB in the beginning and 49.4MB in the end (delta: 6.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-16 12:52:36,355 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:52:36,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.85ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 70.2MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:52:36,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:52:36,356 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 68.1MB in the end (delta: 651.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:52:36,357 INFO L158 Benchmark]: RCFGBuilder took 276.19ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 59.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:52:36,359 INFO L158 Benchmark]: BuchiAutomizer took 2410.77ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 59.4MB in the beginning and 49.6MB in the end (delta: 9.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2022-11-16 12:52:36,361 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 123.7MB. Free memory was 49.6MB in the beginning and 49.4MB in the end (delta: 223.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:52:36,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.85ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 70.2MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.72ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 68.1MB in the end (delta: 651.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.19ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 59.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2410.77ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 59.4MB in the beginning and 49.6MB in the end (delta: 9.8MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 123.7MB. Free memory was 49.6MB in the beginning and 49.4MB in the end (delta: 223.6kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function -1 * i + y and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 70ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:52:36,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:36,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:36,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298c323f-abd0-4acd-84a4-8842bd26b455/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE