./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --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_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/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_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/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_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/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 f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:41,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:41,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:08:41,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:41,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:41,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:41,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:41,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:41,970 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:41,972 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:41,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:41,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:41,973 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:41,973 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:41,974 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:41,974 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:41,974 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:41,975 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:41,977 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:41,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:41,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:41,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:41,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:41,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:41,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:41,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:41,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:41,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:41,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:41,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:41,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:41,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:41,984 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:41,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:41,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:41,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:41,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:41,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:41,988 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:41,988 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_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2024-10-31 22:08:42,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:42,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:42,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:42,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:42,346 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:42,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/loops/trex04.c Unable to find full path for "g++" [2024-10-31 22:08:44,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:44,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:44,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/sv-benchmarks/c/loops/trex04.c [2024-10-31 22:08:44,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/data/cdd4c1f01/56387f5ae77646ed9b383331452164ef/FLAGce83a0417 [2024-10-31 22:08:44,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/data/cdd4c1f01/56387f5ae77646ed9b383331452164ef [2024-10-31 22:08:44,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:44,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:44,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:44,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:44,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:44,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c586660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44, skipping insertion in model container [2024-10-31 22:08:44,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:45,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:45,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:45,238 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:45,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:45,277 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:45,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45 WrapperNode [2024-10-31 22:08:45,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:45,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:45,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:45,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:45,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,322 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2024-10-31 22:08:45,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:45,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:45,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:45,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:45,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,368 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 22:08:45,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:45,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:45,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:45,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:45,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (1/1) ... [2024-10-31 22:08:45,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:45,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:45,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:45,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:45,508 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:45,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:45,721 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:45,722 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:45,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:45,736 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:45,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:45 BoogieIcfgContainer [2024-10-31 22:08:45,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:45,737 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:45,738 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:45,742 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:45,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:45,743 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:44" (1/3) ... [2024-10-31 22:08:45,744 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c08ea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:45, skipping insertion in model container [2024-10-31 22:08:45,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:45,745 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:45" (2/3) ... [2024-10-31 22:08:45,745 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c08ea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:45, skipping insertion in model container [2024-10-31 22:08:45,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:45,746 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:45" (3/3) ... [2024-10-31 22:08:45,747 INFO L332 chiAutomizerObserver]: Analyzing ICFG trex04.c [2024-10-31 22:08:45,821 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:45,821 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:45,821 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:45,821 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:45,822 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:45,822 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:45,822 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:45,822 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:45,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 22:08:45,854 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:08:45,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:45,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:45,860 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:45,860 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:08:45,861 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:45,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 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 22:08:45,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:08:45,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:45,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:45,865 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:45,865 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:08:45,873 INFO L745 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 8#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;main_~c1~1#1 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;main_~c2~1#1 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1; 17#L34true assume !(0 != main_~c1~1#1 % 256); 11#L34-2true assume !(0 != main_~c2~1#1 % 256); 14#L35-1true havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;main_~c1~1#1 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;main_~c2~1#1 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 16#L39-2true assume !(0 != main_~c2~1#1 % 256); 4#L42-1true [2024-10-31 22:08:45,873 INFO L747 eck$LassoCheckResult]: Loop: 4#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 4#L42-1true [2024-10-31 22:08:45,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:45,881 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2024-10-31 22:08:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:45,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159498433] [2024-10-31 22:08:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:45,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:46,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:46,167 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2024-10-31 22:08:46,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:46,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948745107] [2024-10-31 22:08:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:46,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:46,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2024-10-31 22:08:46,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:46,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658176566] [2024-10-31 22:08:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:46,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:46,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:46,945 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:46,945 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:46,946 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:46,946 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:46,946 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:46,946 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:46,946 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:46,946 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:46,946 INFO L132 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2024-10-31 22:08:46,947 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:46,947 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:46,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,313 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:47,318 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:47,326 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 22:08:47,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:08:47,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:47,398 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 22:08:47,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:08:47,464 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 22:08:47,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:08:47,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,506 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:47,511 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 22:08:47,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,564 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:47,567 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 22:08:47,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,598 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:08:47,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:47,624 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 22:08:47,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:08:47,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,685 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:47,689 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 22:08:47,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,713 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,737 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 22:08:47,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:47,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,759 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:08:47,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,781 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:47,784 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 22:08:47,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:08:47,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,831 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:47,835 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 22:08:47,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:08:47,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,894 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:47,904 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 22:08:47,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:08:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:47,979 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 22:08:48,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:48,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:48,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:48,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:48,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:48,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:48,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:48,060 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 22:08:48,060 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-31 22:08:48,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:48,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:48,064 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:48,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:48,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:48,098 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:08:48,098 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:48,099 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2024-10-31 22:08:48,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:08:48,169 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-10-31 22:08:48,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:48,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:08:48,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,397 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:08:48,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:48,398 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 22:08:48,440 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-10-31 22:08:48,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:08:48,555 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 59 states and 88 transitions. Complement of second has 8 states. [2024-10-31 22:08:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-31 22:08:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:08:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2024-10-31 22:08:48,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 1 letters. [2024-10-31 22:08:48,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:48,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 9 letters. Loop has 1 letters. [2024-10-31 22:08:48,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:48,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-31 22:08:48,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:48,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 88 transitions. [2024-10-31 22:08:48,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-10-31 22:08:48,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 28 states and 42 transitions. [2024-10-31 22:08:48,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-31 22:08:48,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-10-31 22:08:48,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2024-10-31 22:08:48,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:48,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 42 transitions. [2024-10-31 22:08:48,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2024-10-31 22:08:48,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2024-10-31 22:08:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 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 22:08:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2024-10-31 22:08:48,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 39 transitions. [2024-10-31 22:08:48,604 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2024-10-31 22:08:48,604 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:48,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2024-10-31 22:08:48,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-10-31 22:08:48,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:48,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:48,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:48,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-10-31 22:08:48,607 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 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);call #Ultimate.allocInit(12, 3); 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;havoc main_#t~nondet8#1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 155#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;main_~c1~1#1 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;main_~c2~1#1 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1; 156#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 160#L34-2 assume !(0 != main_~c2~1#1 % 256); 162#L35-1 havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;main_~c1~1#1 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;main_~c2~1#1 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1; 163#L39 assume !(0 != main_~c1~1#1 % 256); 154#L39-2 assume !(0 != main_~c2~1#1 % 256); 151#L42-1 [2024-10-31 22:08:48,607 INFO L747 eck$LassoCheckResult]: Loop: 151#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 151#L42-1 [2024-10-31 22:08:48,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2024-10-31 22:08:48,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:48,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626755465] [2024-10-31 22:08:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:48,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2024-10-31 22:08:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:48,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089640613] [2024-10-31 22:08:48,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:48,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:48,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2024-10-31 22:08:48,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670455010] [2024-10-31 22:08:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:48,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:48,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:08:49 BoogieIcfgContainer [2024-10-31 22:08:49,250 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:08:49,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:49,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:49,251 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:49,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:45" (3/4) ... [2024-10-31 22:08:49,254 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:08:49,309 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:08:49,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:49,313 INFO L158 Benchmark]: Toolchain (without parser) took 4337.23ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 104.7MB in the beginning and 90.0MB in the end (delta: 14.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-10-31 22:08:49,313 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:49,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.12ms. Allocated memory is still 146.8MB. Free memory was 104.3MB in the beginning and 91.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:08:49,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.87ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 90.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:49,318 INFO L158 Benchmark]: Boogie Preprocessor took 56.58ms. Allocated memory is still 146.8MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:49,319 INFO L158 Benchmark]: RCFGBuilder took 354.67ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 75.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:08:49,319 INFO L158 Benchmark]: BuchiAutomizer took 3512.95ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 90.9MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:08:49,320 INFO L158 Benchmark]: Witness Printer took 58.47ms. Allocated memory is still 180.4MB. Free memory was 90.9MB in the beginning and 90.0MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:49,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.12ms. Allocated memory is still 146.8MB. Free memory was 104.3MB in the beginning and 91.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.87ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 90.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.58ms. Allocated memory is still 146.8MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.67ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 75.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3512.95ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 75.3MB in the beginning and 90.9MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 58.47ms. Allocated memory is still 180.4MB. Free memory was 90.9MB in the beginning and 90.0MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 46 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital73 mio100 ax100 hnf100 lsp30 ukn95 mio100 lsp100 div100 bol100 ite100 ukn100 eq147 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 42]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 VAL [c2=0, d=0, x=1] [L35] COND FALSE !(\read(c2)) VAL [d=0, x=1] [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) VAL [c2=0, d=0, x=1] [L40] COND FALSE !(\read(c2)) VAL [d=0, x=1] Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:08:49,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a262ef4-d7bd-4900-9a7f-1eb3dc664c67/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)