./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:19,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:19,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 21:57:19,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:19,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:19,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:19,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:19,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:19,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:19,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:19,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:19,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:19,803 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:19,805 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:57:19,805 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:57:19,806 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:57:19,806 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:57:19,807 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:57:19,810 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:57:19,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:19,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:57:19,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:57:19,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:19,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:57:19,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:19,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:57:19,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:57:19,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:57:19,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:19,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:19,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:57:19,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:19,828 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:57:19,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:19,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:19,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:19,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:19,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:19,832 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:57:19,832 INFO L153 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_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2024-10-31 21:57:20,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:20,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:20,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:20,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:20,238 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:20,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loop-lit/gsv2008.i Unable to find full path for "g++" [2024-10-31 21:57:22,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:22,628 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:22,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/sv-benchmarks/c/loop-lit/gsv2008.i [2024-10-31 21:57:22,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/data/46e99c168/4672ad689f864ded98ccfcac6d0f83aa/FLAGce796c831 [2024-10-31 21:57:22,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/data/46e99c168/4672ad689f864ded98ccfcac6d0f83aa [2024-10-31 21:57:22,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:22,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:22,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:22,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:22,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:22,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1188950d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22, skipping insertion in model container [2024-10-31 21:57:22,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:22,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:22,907 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:22,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:22,939 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:22,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22 WrapperNode [2024-10-31 21:57:22,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:22,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:22,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:22,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:22,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,974 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-10-31 21:57:22,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:22,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:22,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:22,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:22,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:22,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,009 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:57:23,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:23,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:23,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:23,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:23,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (1/1) ... [2024-10-31 21:57:23,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:57:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:23,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:23,147 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:23,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:23,268 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:23,268 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:23,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:23,284 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:57:23,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:23 BoogieIcfgContainer [2024-10-31 21:57:23,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:23,286 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:57:23,287 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:57:23,291 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:57:23,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:23,292 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:57:22" (1/3) ... [2024-10-31 21:57:23,293 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c17e3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:23, skipping insertion in model container [2024-10-31 21:57:23,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:23,293 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:22" (2/3) ... [2024-10-31 21:57:23,293 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c17e3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:23, skipping insertion in model container [2024-10-31 21:57:23,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:23,294 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:23" (3/3) ... [2024-10-31 21:57:23,297 INFO L332 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2024-10-31 21:57:23,352 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:57:23,352 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:57:23,352 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:57:23,352 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:57:23,352 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:57:23,352 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:57:23,353 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:57:23,353 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:57:23,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-10-31 21:57:23,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 21:57:23,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:23,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:23,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:57:23,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 21:57:23,379 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:57:23,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-10-31 21:57:23,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 21:57:23,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:23,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:23,381 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:57:23,381 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 21:57:23,389 INFO L745 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000); 12#L29-2true [2024-10-31 21:57:23,389 INFO L747 eck$LassoCheckResult]: Loop: 12#L29-2true assume !!(main_~x~0#1 < 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_#t~post2#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 12#L29-2true [2024-10-31 21:57:23,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,395 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 21:57:23,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332797343] [2024-10-31 21:57:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:23,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,518 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2024-10-31 21:57:23,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431238040] [2024-10-31 21:57:23,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:23,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2024-10-31 21:57:23,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855818008] [2024-10-31 21:57:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:23,695 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:23,696 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:23,696 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:23,696 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:23,696 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:57:23,696 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,696 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:23,697 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:23,697 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-10-31 21:57:23,697 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:23,697 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:23,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:23,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:23,785 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:23,786 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:57:23,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:57:23,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:57:23,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:57:23,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:23,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:57:23,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:57:23,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:57:23,965 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:57:23,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:57:23,970 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:23,970 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:23,970 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:23,970 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:23,970 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:23,970 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,971 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:23,971 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:23,971 INFO L132 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2024-10-31 21:57:23,971 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:23,971 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:23,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:23,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:24,029 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:24,034 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:24,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:24,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:24,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:24,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:57:24,042 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 [2024-10-31 21:57:24,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:24,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:24,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:24,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:24,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:24,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:24,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:24,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:24,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:57:24,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:24,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:24,081 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:24,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:57:24,086 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 [2024-10-31 21:57:24,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:24,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:24,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:24,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:24,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:24,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:24,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:24,108 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:24,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:57:24,127 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 21:57:24,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:24,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:24,130 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:24,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:57:24,135 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 [2024-10-31 21:57:24,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:24,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:24,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:24,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:24,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 21:57:24,155 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 21:57:24,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:24,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:24,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:57:24,175 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 21:57:24,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:24,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:24,188 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:57:24,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:24,192 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:57:24,192 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:24,192 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0#1 + 1 f1 = -2*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 21:57:24,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:24,220 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:57:24,235 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 21:57:24,237 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 21:57:24,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:24,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:57:24,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:24,337 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:57:24,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:24,381 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 [2024-10-31 21:57:24,383 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-10-31 21:57:24,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 26 states and 32 transitions. Complement of second has 4 states. [2024-10-31 21:57:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:24,429 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) [2024-10-31 21:57:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-10-31 21:57:24,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 1 letters. [2024-10-31 21:57:24,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:24,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 4 letters. Loop has 1 letters. [2024-10-31 21:57:24,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:24,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 21:57:24,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:24,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2024-10-31 21:57:24,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:24,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-10-31 21:57:24,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 21:57:24,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 21:57:24,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 21:57:24,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:24,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:24,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:24,441 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:24,442 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:57:24,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:57:24,442 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:24,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 21:57:24,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 09:57:24 BoogieIcfgContainer [2024-10-31 21:57:24,452 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 21:57:24,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:57:24,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:57:24,454 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:57:24,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:23" (3/4) ... [2024-10-31 21:57:24,457 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:57:24,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:57:24,460 INFO L158 Benchmark]: Toolchain (without parser) took 1794.87ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 79.2MB in the beginning and 93.6MB in the end (delta: -14.4MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-10-31 21:57:24,461 INFO L158 Benchmark]: CDTParser took 3.45ms. Allocated memory is still 109.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:24,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.35ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 67.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:57:24,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.42ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:24,464 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:24,466 INFO L158 Benchmark]: RCFGBuilder took 257.93ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 54.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 21:57:24,467 INFO L158 Benchmark]: BuchiAutomizer took 1165.78ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 54.5MB in the beginning and 94.2MB in the end (delta: -39.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:24,467 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 540.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:24,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.45ms. Allocated memory is still 109.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.35ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 67.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.42ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.93ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 54.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1165.78ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 54.5MB in the beginning and 94.2MB in the end (delta: -39.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 540.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 64ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 21:57:24,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:24,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb4f947-175f-4d3c-86e7-4bbc12ab301c/bin/uautomizer-verify-4GaUIPS5ZU/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