./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/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_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/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 64bit --witnessprinter.graph.data.programhash a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:14:41,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:41,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:14:41,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:41,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:41,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:41,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:41,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:41,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:14:41,368 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:14:41,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:41,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:41,370 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:41,372 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:14:41,372 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:14:41,373 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:14:41,373 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:14:41,376 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:14:41,376 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:14:41,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:41,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:14:41,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:41,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:41,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:14:41,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:14:41,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:14:41,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:14:41,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:41,380 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:14:41,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:41,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:41,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:41,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:41,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:14:41,383 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:14:41,383 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_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88778e925af9c1a64b7e94f7ff093b6408bd8b2e5fbc09d91ee3e64112df49e [2023-11-21 22:14:41,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:41,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:41,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:41,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:41,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:41,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2023-11-21 22:14:44,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:14:45,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:14:45,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2023-11-21 22:14:45,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/data/7b468a1a5/d227c4b150c142578b7a943f865856b6/FLAGcfd5bdad4 [2023-11-21 22:14:45,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/data/7b468a1a5/d227c4b150c142578b7a943f865856b6 [2023-11-21 22:14:45,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:14:45,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:14:45,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:45,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:14:45,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:14:45,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f8c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45, skipping insertion in model container [2023-11-21 22:14:45,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:14:45,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:45,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:14:45,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:45,415 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:14:45,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45 WrapperNode [2023-11-21 22:14:45,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:45,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:45,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:14:45,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:14:45,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,452 INFO L138 Inliner]: procedures = 11, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-11-21 22:14:45,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:14:45,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:14:45,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:14:45,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:14:45,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,466 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,477 INFO L187 HeapSplitter]: Split 10 memory accesses to 2 slices as follows [4, 6] [2023-11-21 22:14:45,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:14:45,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:14:45,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:14:45,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:14:45,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (1/1) ... [2023-11-21 22:14:45,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:45,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:45,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:14:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:14:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:14:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-21 22:14:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-21 22:14:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:14:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:14:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:14:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:14:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:14:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:14:45,642 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:14:45,645 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:14:45,903 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:14:45,925 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:14:45,926 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:14:45,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:45 BoogieIcfgContainer [2023-11-21 22:14:45,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:14:45,929 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:14:45,941 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:14:45,946 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:14:45,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:14:45,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:14:45" (1/3) ... [2023-11-21 22:14:45,948 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@136558a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:14:45, skipping insertion in model container [2023-11-21 22:14:45,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:14:45,949 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:45" (2/3) ... [2023-11-21 22:14:45,949 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@136558a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:14:45, skipping insertion in model container [2023-11-21 22:14:45,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:14:45,950 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:45" (3/3) ... [2023-11-21 22:14:45,951 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2023-11-21 22:14:46,009 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:14:46,009 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:14:46,010 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:14:46,010 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:14:46,010 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:14:46,010 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:14:46,010 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:14:46,011 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:14:46,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:14:46,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-21 22:14:46,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:14:46,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:14:46,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:14:46,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:46,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:14:46,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:14:46,049 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-21 22:14:46,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:14:46,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:14:46,050 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:14:46,050 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:46,059 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#0(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 11#L28-3true [2023-11-21 22:14:46,060 INFO L750 eck$LassoCheckResult]: Loop: 11#L28-3true call main_#t~mem8#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 9#L28-1true assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#1(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 6#L32true assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 7#L36true call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 13#$Ultimate##0true ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 8#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 16#recFINALtrue assume true; 14#recEXITtrue >#38#return; 12#L36-1true call write~int#0(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1;havoc main_~pp~0#1.base, main_~pp~0#1.offset; 11#L28-3true [2023-11-21 22:14:46,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2023-11-21 22:14:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020683549] [2023-11-21 22:14:46,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:46,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:46,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:46,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:46,230 INFO L85 PathProgramCache]: Analyzing trace with hash 730073095, now seen corresponding path program 1 times [2023-11-21 22:14:46,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:46,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32154286] [2023-11-21 22:14:46,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:46,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:14:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:46,846 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 22:14:46,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:46,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32154286] [2023-11-21 22:14:46,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32154286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:14:46,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:14:46,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:14:46,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152771466] [2023-11-21 22:14:46,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:14:46,855 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:14:46,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:46,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:14:46,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:14:46,896 INFO L87 Difference]: Start difference. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:14:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:47,012 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-11-21 22:14:47,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2023-11-21 22:14:47,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-21 22:14:47,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 15 states and 17 transitions. [2023-11-21 22:14:47,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-21 22:14:47,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-21 22:14:47,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-11-21 22:14:47,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:14:47,028 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-21 22:14:47,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-11-21 22:14:47,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-21 22:14:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-21 22:14:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-21 22:14:47,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-21 22:14:47,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:14:47,070 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-21 22:14:47,070 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:14:47,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-21 22:14:47,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-21 22:14:47,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:14:47,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:14:47,072 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:14:47,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:47,073 INFO L748 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 60#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#0(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 61#L28-3 [2023-11-21 22:14:47,073 INFO L750 eck$LassoCheckResult]: Loop: 61#L28-3 call main_#t~mem8#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 65#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#1(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 62#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 56#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 59#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 63#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~op.base, ~op.offset, 4);call write~int#1(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 57#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 59#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 63#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 64#recFINAL assume true; 67#recEXIT >#36#return; 55#L19-1 #res := #t~ret5;havoc #t~ret5; 58#recFINAL assume true; 69#recEXIT >#38#return; 68#L36-1 call write~int#0(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1;havoc main_~pp~0#1.base, main_~pp~0#1.offset; 61#L28-3 [2023-11-21 22:14:47,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2023-11-21 22:14:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:47,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955152743] [2023-11-21 22:14:47,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:47,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:47,096 INFO L85 PathProgramCache]: Analyzing trace with hash -178448253, now seen corresponding path program 1 times [2023-11-21 22:14:47,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:47,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135184116] [2023-11-21 22:14:47,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:47,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:47,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash 761182081, now seen corresponding path program 1 times [2023-11-21 22:14:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311763170] [2023-11-21 22:14:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:47,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:47,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:49,524 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:14:49,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:14:49,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:14:49,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:14:49,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:14:49,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:49,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:14:49,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:14:49,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2023-11-21 22:14:49,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:14:49,527 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:14:49,547 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 22:14:49,557 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 22:14:49,560 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 22:14:49,563 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 22:14:49,567 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 22:14:49,569 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 22:14:49,762 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 22:14:49,771 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 22:14:49,774 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 22:14:49,776 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 22:14:49,779 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 22:14:49,782 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 22:14:49,787 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 22:14:49,789 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 22:14:50,076 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:14:50,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:14:50,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:14:50,095 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 22:14:50,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:14:50,162 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 22:14:50,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,217 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 22:14:50,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:14:50,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,270 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 22:14:50,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:14:50,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,337 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 22:14:50,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:14:50,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,393 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,400 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 22:14:50,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:50,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:50,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:14:50,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,458 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:14:50,461 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 22:14:50,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,471 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-21 22:14:50,471 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-11-21 22:14:50,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,509 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2023-11-21 22:14:50,509 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2023-11-21 22:14:50,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,616 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:14:50,626 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 22:14:50,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,675 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,677 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 22:14:50,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:14:50,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:50,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:50,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,730 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:14:50,739 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 22:14:50,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:50,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:50,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:50,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,795 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 22:14:50,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:14:50,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:50,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:50,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:50,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:50,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,856 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 22:14:50,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:50,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:50,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:50,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:50,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:14:50,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:50,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:50,885 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:14:50,904 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-21 22:14:50,905 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-21 22:14:50,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:50,950 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:50,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:14:50,952 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:14:50,979 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:14:50,980 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:14:50,980 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~qq~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~qq~0#1.base) 0)_1 Supporting invariants [] [2023-11-21 22:14:51,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:51,024 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-21 22:14:51,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~qq~0!base][0] could not be translated [2023-11-21 22:14:51,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:51,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:14:51,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:51,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 22:14:51,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:51,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-21 22:14:51,348 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2023-11-21 22:14:51,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 28 [2023-11-21 22:14:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:14:51,604 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 13 loop predicates [2023-11-21 22:14:51,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 14 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:14:51,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 14 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 56 states and 65 transitions. Complement of second has 42 states. [2023-11-21 22:14:52,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 12 non-accepting loop states 1 accepting loop states [2023-11-21 22:14:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:14:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2023-11-21 22:14:52,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 21 transitions. Stem has 2 letters. Loop has 15 letters. [2023-11-21 22:14:52,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:52,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 21 transitions. Stem has 17 letters. Loop has 15 letters. [2023-11-21 22:14:52,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:52,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 21 transitions. Stem has 2 letters. Loop has 30 letters. [2023-11-21 22:14:52,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:52,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 65 transitions. [2023-11-21 22:14:52,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:14:52,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 37 states and 43 transitions. [2023-11-21 22:14:52,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-21 22:14:52,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-21 22:14:52,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 43 transitions. [2023-11-21 22:14:52,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:14:52,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 43 transitions. [2023-11-21 22:14:52,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 43 transitions. [2023-11-21 22:14:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2023-11-21 22:14:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:14:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2023-11-21 22:14:52,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-21 22:14:52,038 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-21 22:14:52,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:14:52,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 30 transitions. [2023-11-21 22:14:52,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:14:52,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:14:52,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:14:52,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:14:52,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:14:52,041 INFO L748 eck$LassoCheckResult]: Stem: 291#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 281#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#0(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 282#L28-3 call main_#t~mem8#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 289#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#1(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 283#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 278#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 279#$Ultimate##0 [2023-11-21 22:14:52,041 INFO L750 eck$LassoCheckResult]: Loop: 279#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 287#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~op.base, ~op.offset, 4);call write~int#1(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 277#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 279#$Ultimate##0 [2023-11-21 22:14:52,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:52,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1126238996, now seen corresponding path program 1 times [2023-11-21 22:14:52,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:52,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609567738] [2023-11-21 22:14:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:52,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:52,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash 29950, now seen corresponding path program 1 times [2023-11-21 22:14:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:52,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106747029] [2023-11-21 22:14:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:52,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:52,127 INFO L85 PathProgramCache]: Analyzing trace with hash -498586357, now seen corresponding path program 1 times [2023-11-21 22:14:52,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:52,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178095400] [2023-11-21 22:14:52,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:52,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:52,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:53,258 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:14:53,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:14:53,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:14:53,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:14:53,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:14:53,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:53,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:14:53,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:14:53,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2023-11-21 22:14:53,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:14:53,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:14:53,267 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 22:14:53,270 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 22:14:53,272 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 22:14:53,289 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 22:14:53,291 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 22:14:53,294 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 22:14:53,296 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 22:14:53,298 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 22:14:53,299 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 22:14:53,302 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 22:14:53,304 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 22:14:53,305 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 22:14:53,308 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 22:14:53,310 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 22:14:53,312 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 22:14:53,314 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 22:14:53,567 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 22:14:53,574 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 22:14:53,576 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 22:14:53,578 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 22:14:53,580 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 22:14:53,582 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 22:14:53,584 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 22:14:53,586 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 22:14:53,588 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 22:14:53,592 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 22:14:53,594 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 22:14:53,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:14:53,966 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:14:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:53,977 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:53,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:14:53,981 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 22:14:53,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:53,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:53,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:53,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:53,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:53,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:53,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,019 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:14:54,021 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 22:14:54,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,046 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:14:54,047 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 22:14:54,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,075 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:14:54,077 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 22:14:54,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,118 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:14:54,125 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 22:14:54,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,173 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:14:54,178 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 22:14:54,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,206 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:14:54,208 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 22:14:54,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,235 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:14:54,237 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 22:14:54,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,261 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:14:54,262 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 22:14:54,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,288 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:14:54,291 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 22:14:54,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-21 22:14:54,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,317 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:14:54,320 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 22:14:54,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-21 22:14:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,347 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:14:54,350 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 22:14:54,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-21 22:14:54,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,376 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:14:54,379 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 22:14:54,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-21 22:14:54,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,419 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:14:54,426 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 22:14:54,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-21 22:14:54,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,450 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:14:54,452 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 22:14:54,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:54,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:54,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:54,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-21 22:14:54,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,479 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:14:54,481 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 22:14:54,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,492 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-21 22:14:54,492 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:14:54,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,501 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2023-11-21 22:14:54,502 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:14:54,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,564 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:14:54,585 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 22:14:54,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:54,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:54,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:54,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:54,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,622 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:14:54,623 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 22:14:54,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:54,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:54,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:54,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:54,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:54,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:54,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:14:54,703 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:14:54,703 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:14:54,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:54,705 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:54,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:14:54,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:14:54,733 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:14:54,734 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:14:54,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int#1 rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2023-11-21 22:14:54,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-21 22:14:54,764 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-21 22:14:54,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~op!base][#in~op!offset] could not be translated [2023-11-21 22:14:54,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:54,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:14:54,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:54,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 22:14:54,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:54,887 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2023-11-21 22:14:54,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2023-11-21 22:14:54,909 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 22:14:54,910 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 22:14:54,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 30 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:54,993 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 30 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 65 transitions. Complement of second has 14 states. [2023-11-21 22:14:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:14:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:14:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-21 22:14:54,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-21 22:14:54,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:54,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-21 22:14:54,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:54,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-21 22:14:55,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:14:55,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 65 transitions. [2023-11-21 22:14:55,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:14:55,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 38 states and 46 transitions. [2023-11-21 22:14:55,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:14:55,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:14:55,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2023-11-21 22:14:55,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:14:55,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-21 22:14:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2023-11-21 22:14:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-21 22:14:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 29 states have internal predecessors, (30), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-21 22:14:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-11-21 22:14:55,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-21 22:14:55,022 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-21 22:14:55,024 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:14:55,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 46 transitions. [2023-11-21 22:14:55,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:14:55,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:14:55,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:14:55,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:55,032 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:14:55,034 INFO L748 eck$LassoCheckResult]: Stem: 445#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 439#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~ret12#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~nondet7#1;call write~int#0(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 440#L28-3 call main_#t~mem8#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 444#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#1(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 436#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 437#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 438#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 442#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~op.base, ~op.offset, 4);call write~int#1(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 425#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 457#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 454#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int#1(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 451#recFINAL assume true; 446#recEXIT >#36#return; 447#L19-1 #res := #t~ret5;havoc #t~ret5; 453#recFINAL assume true; 452#recEXIT >#38#return; 448#L36-1 call write~int#0(main_#t~mem13#1 + (if -1 == main_#t~ret12#1 then -1 else 1), main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~ret12#1;havoc main_~pp~0#1.base, main_~pp~0#1.offset; 449#L28-3 call main_#t~mem8#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 443#L28-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int#1(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 435#L32 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem13#1 := read~int#0(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 431#L36 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 432#$Ultimate##0 [2023-11-21 22:14:55,034 INFO L750 eck$LassoCheckResult]: Loop: 432#$Ultimate##0 ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int#1(~op.base, ~op.offset, 4); 441#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int#1(~op.base, ~op.offset, 4);call write~int#1(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 430#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 432#$Ultimate##0 [2023-11-21 22:14:55,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1749823186, now seen corresponding path program 2 times [2023-11-21 22:14:55,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405242147] [2023-11-21 22:14:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:55,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash 29950, now seen corresponding path program 2 times [2023-11-21 22:14:55,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614562728] [2023-11-21 22:14:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:55,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:55,147 INFO L85 PathProgramCache]: Analyzing trace with hash 964462733, now seen corresponding path program 3 times [2023-11-21 22:14:55,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:55,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70675560] [2023-11-21 22:14:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:14:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:14:55,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:14:55,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:58,580 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:14:58,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:14:58,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:14:58,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:14:58,581 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:14:58,581 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:58,581 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:14:58,581 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:14:58,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration4_Lasso [2023-11-21 22:14:58,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:14:58,581 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:14:58,585 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 22:14:58,594 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 22:14:58,596 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 22:14:58,929 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 22:14:58,932 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 22:14:58,934 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 22:14:58,937 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 22:14:58,939 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 22:14:58,941 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 22:14:58,944 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 22:14:58,946 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 22:14:58,950 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 22:14:58,953 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 22:14:58,956 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 22:14:58,959 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 22:14:58,961 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 22:14:58,964 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 22:14:58,966 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 22:14:58,969 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 22:14:58,972 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 22:14:58,975 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 22:14:58,977 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 22:14:58,979 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 22:14:58,985 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 22:14:58,988 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 22:14:58,990 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 22:14:58,992 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 22:14:59,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:14:59,707 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:14:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,711 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:14:59,716 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 22:14:59,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:59,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:59,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:59,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:59,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:59,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:59,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,744 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:14:59,746 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 22:14:59,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:14:59,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:59,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:59,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:14:59,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:14:59,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-21 22:14:59,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,771 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:14:59,773 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 22:14:59,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:59,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:59,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:59,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:59,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:59,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,804 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:14:59,806 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 22:14:59,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,815 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2023-11-21 22:14:59,815 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:14:59,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,848 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2023-11-21 22:14:59,848 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:14:59,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,926 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:14:59,928 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 22:14:59,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:59,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:59,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:59,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:59,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-21 22:14:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,958 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:14:59,959 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 22:14:59,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:14:59,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:14:59,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:14:59,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:14:59,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:14:59,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:14:59,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:14:59,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-21 22:14:59,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:14:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:59,988 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:14:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:14:59,990 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 22:14:59,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:15:00,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:15:00,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:15:00,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:15:00,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:15:00,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:15:00,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:15:00,046 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 22:15:00,046 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:15:00,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:15:00,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:15:00,049 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:15:00,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:15:00,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:15:00,085 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:15:00,086 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:15:00,086 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 rec_#in~op.base) 0)_2) = 2*v_rep(select (select #memory_int#1 rec_#in~op.base) 0)_2 + 1 Supporting invariants [] [2023-11-21 22:15:00,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-21 22:15:00,105 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-21 22:15:00,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~op!base][0] could not be translated [2023-11-21 22:15:00,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:00,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:15:00,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:00,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-21 22:15:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:00,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 22:15:00,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:00,452 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-21 22:15:00,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2023-11-21 22:15:00,479 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 22:15:00,480 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2023-11-21 22:15:00,480 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:00,605 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 45 states and 53 transitions. Complement of second has 15 states. [2023-11-21 22:15:00,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:15:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2023-11-21 22:15:00,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-21 22:15:00,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:15:00,612 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:15:00,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:00,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:15:00,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:00,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 22:15:00,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:00,936 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-21 22:15:00,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2023-11-21 22:15:00,965 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 22:15:00,966 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2023-11-21 22:15:00,966 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:01,073 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 45 states and 53 transitions. Complement of second has 15 states. [2023-11-21 22:15:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:15:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2023-11-21 22:15:01,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-21 22:15:01,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:15:01,077 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:15:01,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:15:01,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:01,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:15:01,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:01,373 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-21 22:15:01,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2023-11-21 22:15:01,399 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 22:15:01,399 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2023-11-21 22:15:01,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:01,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 60 states and 69 transitions. Complement of second has 16 states. [2023-11-21 22:15:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 22:15:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:15:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2023-11-21 22:15:01,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-21 22:15:01,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:15:01,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 24 letters. Loop has 3 letters. [2023-11-21 22:15:01,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:15:01,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 21 letters. Loop has 6 letters. [2023-11-21 22:15:01,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:15:01,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 69 transitions. [2023-11-21 22:15:01,555 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:15:01,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2023-11-21 22:15:01,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:15:01,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:15:01,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:15:01,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:15:01,556 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:15:01,556 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:15:01,556 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:15:01,556 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:15:01,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:15:01,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:15:01,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:15:01,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:15:01 BoogieIcfgContainer [2023-11-21 22:15:01,563 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:15:01,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:15:01,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:15:01,564 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:15:01,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:14:45" (3/4) ... [2023-11-21 22:15:01,566 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:15:01,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:15:01,568 INFO L158 Benchmark]: Toolchain (without parser) took 16426.73ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 101.4MB in the beginning and 107.0MB in the end (delta: -5.6MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2023-11-21 22:15:01,568 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:15:01,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.29ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 107.4MB in the end (delta: -6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:15:01,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 140.5MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:15:01,570 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 140.5MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:15:01,570 INFO L158 Benchmark]: RCFGBuilder took 436.74ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 92.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:15:01,570 INFO L158 Benchmark]: BuchiAutomizer took 15634.50ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 91.8MB in the beginning and 107.0MB in the end (delta: -15.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2023-11-21 22:15:01,571 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 247.5MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:15:01,573 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 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.29ms. Allocated memory is still 140.5MB. Free memory was 100.9MB in the beginning and 107.4MB in the end (delta: -6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 140.5MB. Free memory was 107.4MB in the beginning and 105.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 140.5MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.74ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 92.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15634.50ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 91.8MB in the beginning and 107.0MB in the end (delta: -15.2MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 247.5MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~qq~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~op!base][#in~op!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~op!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 14 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 7 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.5s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 12.5s. Construction of modules took 0.3s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 59 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital244 mio100 ax100 hnf100 lsp100 ukn47 mio100 lsp34 div100 bol100 ite100 ukn100 eq163 hnf93 smp100 dnf405 smp72 tf100 neg100 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 102ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 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 22:15:01,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dbdda2f-2000-4ddf-87e9-0385664dc7c9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE