./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx --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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:32,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:32,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:28:32,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:32,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:32,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:32,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:32,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:32,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:32,302 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:32,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:32,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:32,304 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:32,305 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:28:32,306 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:28:32,306 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:28:32,307 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:28:32,307 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:28:32,308 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:28:32,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:32,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:28:32,309 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:32,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:32,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:32,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:32,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:28:32,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:28:32,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:28:32,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:28:32,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:32,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:32,313 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:28:32,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:32,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:32,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:32,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:32,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:32,315 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:28:32,316 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_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2023-11-21 22:28:32,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:32,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:32,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:32,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:32,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:32,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-21 22:28:35,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:36,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:36,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2023-11-21 22:28:36,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/data/5b1aa5345/39b9c32bec6e4782b6fe0873ecc0acf0/FLAG8fd92f826 [2023-11-21 22:28:36,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/data/5b1aa5345/39b9c32bec6e4782b6fe0873ecc0acf0 [2023-11-21 22:28:36,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:36,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:36,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:36,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:36,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:36,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7865a583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36, skipping insertion in model container [2023-11-21 22:28:36,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:36,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:36,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:36,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:36,410 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:36,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36 WrapperNode [2023-11-21 22:28:36,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:36,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:36,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:36,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:36,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,445 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-21 22:28:36,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:36,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:36,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:36,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:36,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,460 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,468 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:28:36,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:28:36,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:28:36,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:28:36,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:28:36,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (1/1) ... [2023-11-21 22:28:36,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:36,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:36,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:28:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:28:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:28:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:28:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:28:36,631 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:28:36,634 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:28:36,751 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:28:36,760 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:28:36,760 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:28:36,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:36 BoogieIcfgContainer [2023-11-21 22:28:36,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:28:36,763 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:28:36,763 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:28:36,766 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:28:36,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:36,767 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:28:36" (1/3) ... [2023-11-21 22:28:36,768 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a7a6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:28:36, skipping insertion in model container [2023-11-21 22:28:36,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:36,768 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:36" (2/3) ... [2023-11-21 22:28:36,769 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14a7a6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:28:36, skipping insertion in model container [2023-11-21 22:28:36,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:36,769 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:36" (3/3) ... [2023-11-21 22:28:36,771 INFO L332 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2023-11-21 22:28:36,830 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:28:36,830 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:28:36,831 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:28:36,831 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:28:36,831 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:28:36,831 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:28:36,831 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:28:36,832 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:28:36,836 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) [2023-11-21 22:28:36,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 22:28:36,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:36,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:36,862 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:28:36,862 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 22:28:36,863 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:28:36,863 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) [2023-11-21 22:28:36,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 22:28:36,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:36,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:36,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:28:36,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 22:28:36,874 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~lo~0#1, main_~mid~0#1, main_~hi~0#1;havoc main_~lo~0#1;havoc main_~mid~0#1;havoc main_~hi~0#1;main_~lo~0#1 := 0;havoc main_#t~nondet1#1;main_~mid~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(main_~mid~0#1 > 0 && main_~mid~0#1 <= 1000000);main_~hi~0#1 := 2 * main_~mid~0#1; 4#L30-2true [2023-11-21 22:28:36,875 INFO L750 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~mid~0#1 > 0);main_~lo~0#1 := 1 + main_~lo~0#1;main_~hi~0#1 := main_~hi~0#1 - 1;main_~mid~0#1 := main_~mid~0#1 - 1; 4#L30-2true [2023-11-21 22:28:36,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-21 22:28:36,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:36,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152360903] [2023-11-21 22:28:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:36,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:37,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2023-11-21 22:28:37,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:37,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920507429] [2023-11-21 22:28:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:37,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:37,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:37,178 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2023-11-21 22:28:37,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:37,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397781737] [2023-11-21 22:28:37,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:37,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:37,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:37,395 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:28:37,395 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:28:37,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:28:37,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:28:37,396 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:28:37,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:28:37,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:28:37,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-21 22:28:37,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:28:37,398 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:28:37,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,521 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:28:37,521 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:28:37,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:28:37,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:28:37,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:37,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:28:37,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:28:37,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:28:37,634 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0#1=0} Honda state: {ULTIMATE.start_main_~lo~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0#1=0}, {ULTIMATE.start_main_~lo~0#1=1}, {ULTIMATE.start_main_~lo~0#1=0}] Lambdas: [9, 1, 0] Nus: [0, 0] [2023-11-21 22:28:37,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-21 22:28:37,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:28:37,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:28:37,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:37,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:28:37,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:28:37,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:28:37,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0#1=0} Honda state: {ULTIMATE.start_main_~hi~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0#1=1}, {ULTIMATE.start_main_~hi~0#1=2}, {ULTIMATE.start_main_~hi~0#1=-4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2023-11-21 22:28:37,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-21 22:28:37,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:28:37,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:28:37,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:37,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:28:37,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:28:37,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:28:37,879 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:28:37,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-21 22:28:37,885 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:28:37,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:28:37,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:28:37,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:28:37,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:28:37,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,886 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:28:37,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:28:37,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2023-11-21 22:28:37,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:28:37,886 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:28:37,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:37,945 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:28:37,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:28:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:37,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:37,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:28:37,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:37,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:37,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:37,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:37,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:37,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:37,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:37,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:37,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:38,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-21 22:28:38,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:38,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:38,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:38,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:28:38,021 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 [2023-11-21 22:28:38,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:38,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:38,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:38,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:38,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:38,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:38,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:38,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:38,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:38,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:38,079 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:28:38,081 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 [2023-11-21 22:28:38,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:38,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:38,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:38,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:38,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:38,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:38,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:38,105 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:28:38,109 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:28:38,110 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:28:38,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:38,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:38,145 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:38,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:28:38,147 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:28:38,147 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:28:38,147 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:28:38,147 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0#1) = 1*ULTIMATE.start_main_~mid~0#1 Supporting invariants [] [2023-11-21 22:28:38,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:38,162 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:28:38,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:38,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:28:38,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:38,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:28:38,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:38,294 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 [2023-11-21 22:28:38,298 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) [2023-11-21 22:28:38,357 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 31 states and 38 transitions. Complement of second has 6 states. [2023-11-21 22:28:38,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:28:38,364 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) [2023-11-21 22:28:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2023-11-21 22:28:38,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2023-11-21 22:28:38,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:38,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-21 22:28:38,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:38,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-21 22:28:38,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:38,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-21 22:28:38,373 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:28:38,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-21 22:28:38,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:28:38,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:28:38,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:28:38,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:38,378 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:28:38,378 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:28:38,378 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:28:38,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:28:38,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:28:38,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:28:38,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:28:38,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:28:38 BoogieIcfgContainer [2023-11-21 22:28:38,385 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:28:38,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:28:38,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:28:38,386 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:28:38,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:36" (3/4) ... [2023-11-21 22:28:38,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:28:38,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:28:38,390 INFO L158 Benchmark]: Toolchain (without parser) took 2254.12ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 78.7MB in the beginning and 110.0MB in the end (delta: -31.3MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-21 22:28:38,391 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:38,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.96ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:28:38,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 66.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:38,393 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:28:38,393 INFO L158 Benchmark]: RCFGBuilder took 281.57ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 56.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 22:28:38,394 INFO L158 Benchmark]: BuchiAutomizer took 1622.70ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 56.0MB in the beginning and 110.0MB in the end (delta: -54.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-21 22:28:38,394 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 178.3MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:38,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.96ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 66.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.57ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 56.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1622.70ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 56.0MB in the beginning and 110.0MB in the end (delta: -54.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 178.3MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:28:38,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:38,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aee74a4-f586-46a8-acbf-5eb3641cf277/bin/uautomizer-verify-bycVGegfSx/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 Result: TRUE