./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0dd810d674c4cff9336e312b19e9358b8b865ab368a2555cf5d277ff73d72d47 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:59,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:59,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:56:59,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:59,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:59,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:59,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:59,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:59,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:59,907 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:59,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:59,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:59,909 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:59,910 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:56:59,910 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:56:59,911 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:56:59,911 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:56:59,912 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:56:59,913 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:56:59,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:59,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:56:59,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:59,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:59,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:56:59,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:56:59,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:56:59,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:59,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:59,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:59,918 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:56:59,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:59,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:59,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:59,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:59,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:59,921 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:56:59,922 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_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dd810d674c4cff9336e312b19e9358b8b865ab368a2555cf5d277ff73d72d47 [2024-10-31 21:57:00,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:00,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:00,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:00,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:00,280 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:00,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i Unable to find full path for "g++" [2024-10-31 21:57:02,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:02,785 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:02,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i [2024-10-31 21:57:02,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/data/be44e8566/69f536125250422d990053bb123f2b06/FLAG86295891e [2024-10-31 21:57:03,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/data/be44e8566/69f536125250422d990053bb123f2b06 [2024-10-31 21:57:03,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:03,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:03,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:03,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:03,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:03,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e16c4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03, skipping insertion in model container [2024-10-31 21:57:03,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:03,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:03,517 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:03,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:03,601 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:03,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03 WrapperNode [2024-10-31 21:57:03,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:03,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:03,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:03,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:03,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,642 INFO L138 Inliner]: procedures = 110, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-10-31 21:57:03,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:03,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:03,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:03,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:03,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,670 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [5, 4, 5]. 36 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 8 writes are split as follows [3, 2, 3]. [2024-10-31 21:57:03,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:03,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:03,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:03,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:03,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (1/1) ... [2024-10-31 21:57:03,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:03,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:03,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:03,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:03,979 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:03,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:04,223 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:04,224 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:04,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:04,241 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:57:04,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04 BoogieIcfgContainer [2024-10-31 21:57:04,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:04,244 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:57:04,244 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:57:04,250 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:57:04,251 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:04,251 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:57:03" (1/3) ... [2024-10-31 21:57:04,253 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3947400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:04, skipping insertion in model container [2024-10-31 21:57:04,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:04,253 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:03" (2/3) ... [2024-10-31 21:57:04,255 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3947400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:04, skipping insertion in model container [2024-10-31 21:57:04,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:04,256 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04" (3/3) ... [2024-10-31 21:57:04,258 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i [2024-10-31 21:57:04,374 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:57:04,374 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:57:04,375 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:57:04,375 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:57:04,375 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:57:04,375 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:57:04,379 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:57:04,380 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:57:04,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:04,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:04,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:04,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:04,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 21:57:04,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:04,428 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:57:04,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:04,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:04,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:04,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:04,433 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 21:57:04,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:04,446 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 8#L555-2true [2024-10-31 21:57:04,447 INFO L747 eck$LassoCheckResult]: Loop: 8#L555-2true call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 9#L554-1true assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 7#L554-3true main_#t~short12#1 := main_#t~short10#1; 11#L554-4true assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 12#L554-6true assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 3#L555true assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 8#L555-2true [2024-10-31 21:57:04,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 21:57:04,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:04,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457027936] [2024-10-31 21:57:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:04,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2024-10-31 21:57:04,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:04,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118687241] [2024-10-31 21:57:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:04,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:04,763 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2024-10-31 21:57:04,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:04,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21065405] [2024-10-31 21:57:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:04,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:06,172 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:06,173 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:06,173 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:06,174 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:06,174 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:06,174 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:06,174 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:06,174 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:06,175 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration1_Lasso [2024-10-31 21:57:06,175 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:06,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:06,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:06,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:06,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:06,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:06,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:06,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:07,857 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:07,870 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:07,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:07,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:07,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:07,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:57:07,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:07,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:07,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:07,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:07,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:07,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:07,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:07,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:07,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:07,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 21:57:07,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:07,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:07,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:07,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:57:07,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:07,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:07,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:07,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:07,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:07,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:07,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:07,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:07,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:07,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:57:07,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:07,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:57:07,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:08,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:08,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:08,017 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:57:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:57:08,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:08,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:08,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:08,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:08,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:57:08,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:08,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:08,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:08,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,146 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:57:08,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:08,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:08,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:57:08,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,194 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:57:08,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:08,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:08,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:57:08,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,256 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:57:08,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:08,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:08,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:08,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:57:08,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,314 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:57:08,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:08,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:08,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:08,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:08,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:08,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:08,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:08,350 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:08,392 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 21:57:08,392 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-31 21:57:08,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:08,403 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:08,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:57:08,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:08,428 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:08,429 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:08,430 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2024-10-31 21:57:08,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:57:08,572 INFO L156 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2024-10-31 21:57:08,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:57:08,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:57:08,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-31 21:57:08,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:57:08,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:08,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:57:08,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:08,892 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 [2024-10-31 21:57:08,894 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,068 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 65 transitions. Complement of second has 10 states. [2024-10-31 21:57:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2024-10-31 21:57:09,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-31 21:57:09,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:09,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-31 21:57:09,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:09,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-31 21:57:09,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 21:57:09,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:09,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 65 transitions. [2024-10-31 21:57:09,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 21:57:09,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 31 states and 44 transitions. [2024-10-31 21:57:09,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 21:57:09,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 21:57:09,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 44 transitions. [2024-10-31 21:57:09,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:09,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 44 transitions. [2024-10-31 21:57:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 44 transitions. [2024-10-31 21:57:09,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-10-31 21:57:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 42 transitions. [2024-10-31 21:57:09,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 42 transitions. [2024-10-31 21:57:09,128 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 42 transitions. [2024-10-31 21:57:09,128 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:57:09,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 42 transitions. [2024-10-31 21:57:09,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 21:57:09,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:09,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:09,130 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:57:09,130 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,130 INFO L745 eck$LassoCheckResult]: Stem: 223#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 234#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 226#L554-1 [2024-10-31 21:57:09,132 INFO L747 eck$LassoCheckResult]: Loop: 226#L554-1 assume !main_#t~short10#1; 238#L554-3 main_#t~short12#1 := main_#t~short10#1; 241#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 240#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 239#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 225#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 226#L554-1 [2024-10-31 21:57:09,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 21:57:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357495706] [2024-10-31 21:57:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:09,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2024-10-31 21:57:09,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879545871] [2024-10-31 21:57:09,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:09,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:09,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879545871] [2024-10-31 21:57:09,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879545871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:09,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:09,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:57:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620396083] [2024-10-31 21:57:09,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:09,324 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:57:09,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:09,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:57:09,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:09,329 INFO L87 Difference]: Start difference. First operand 30 states and 42 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:09,365 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2024-10-31 21:57:09,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2024-10-31 21:57:09,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:09,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 23 transitions. [2024-10-31 21:57:09,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 21:57:09,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 21:57:09,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2024-10-31 21:57:09,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:09,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-31 21:57:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2024-10-31 21:57:09,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-10-31 21:57:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-10-31 21:57:09,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-31 21:57:09,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:57:09,376 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-31 21:57:09,376 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:57:09,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2024-10-31 21:57:09,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:09,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:09,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:09,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:09,379 INFO L745 eck$LassoCheckResult]: Stem: 291#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 299#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 294#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 302#L554-3 main_#t~short12#1 := main_#t~short10#1; 301#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 298#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 283#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 284#L555-2 [2024-10-31 21:57:09,380 INFO L747 eck$LassoCheckResult]: Loop: 284#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 293#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 287#L554-3 main_#t~short12#1 := main_#t~short10#1; 288#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 296#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 300#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 284#L555-2 [2024-10-31 21:57:09,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,380 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2024-10-31 21:57:09,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189484466] [2024-10-31 21:57:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:09,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2024-10-31 21:57:09,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860055436] [2024-10-31 21:57:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:09,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:09,471 INFO L85 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2024-10-31 21:57:09,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:09,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066963342] [2024-10-31 21:57:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:09,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:11,189 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:11,189 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:11,189 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:11,189 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:11,189 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:11,189 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:11,190 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:11,190 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:11,190 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration3_Lasso [2024-10-31 21:57:11,190 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:11,190 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:11,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:11,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:12,208 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:12,209 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:57:12,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:12,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:12,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:12,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:57:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,261 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:57:12,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:12,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:12,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:12,283 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:12,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,303 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:57:12,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:12,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:12,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:12,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 21:57:12,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,352 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:57:12,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:12,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:12,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:12,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,399 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:57:12,400 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 [2024-10-31 21:57:12,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:12,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:12,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:12,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:12,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,435 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:57:12,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:12,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:12,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,482 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:57:12,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:12,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:12,506 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:12,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,526 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:57:12,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:12,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:12,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:12,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:12,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:12,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:12,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:12,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:12,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:12,553 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:57:12,553 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:57:12,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:12,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:12,556 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:12,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:12,580 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:57:12,580 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:12,580 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2024-10-31 21:57:12,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:57:12,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 21:57:12,687 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-10-31 21:57:12,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:57:12,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:57:12,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-31 21:57:12,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:12,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:57:12,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:12,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:57:12,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:12,865 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 [2024-10-31 21:57:12,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:12,909 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 7 states. [2024-10-31 21:57:12,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-31 21:57:12,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-31 21:57:12,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:12,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 21:57:12,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:12,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 8 letters. Loop has 12 letters. [2024-10-31 21:57:12,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:12,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2024-10-31 21:57:12,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:12,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2024-10-31 21:57:12,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 21:57:12,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 21:57:12,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2024-10-31 21:57:12,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:12,915 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-31 21:57:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2024-10-31 21:57:12,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-31 21:57:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2024-10-31 21:57:12,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-31 21:57:12,919 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-10-31 21:57:12,919 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:57:12,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2024-10-31 21:57:12,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 21:57:12,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:12,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:12,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1] [2024-10-31 21:57:12,920 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:12,921 INFO L745 eck$LassoCheckResult]: Stem: 497#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 498#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 503#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 500#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 515#L554-3 main_#t~short12#1 := main_#t~short10#1; 512#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 511#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 508#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 509#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 516#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 514#L554-3 main_#t~short12#1 := main_#t~short10#1; 513#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 506#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 489#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 490#L555-2 [2024-10-31 21:57:12,921 INFO L747 eck$LassoCheckResult]: Loop: 490#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 499#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 493#L554-3 main_#t~short12#1 := main_#t~short10#1; 494#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 504#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 510#L555 assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1;call main_#t~mem14#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#0(main_#t~mem14#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~nondet15#1;call write~int#2(main_#t~nondet15#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet15#1; 490#L555-2 [2024-10-31 21:57:12,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash -692497895, now seen corresponding path program 2 times [2024-10-31 21:57:12,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:12,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934053910] [2024-10-31 21:57:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:12,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:12,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:12,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2024-10-31 21:57:12,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:12,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128329297] [2024-10-31 21:57:12,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:13,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:13,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:13,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash 502600418, now seen corresponding path program 2 times [2024-10-31 21:57:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681238692] [2024-10-31 21:57:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:13,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:13,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:14,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:57:15,181 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:15,181 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:15,181 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:15,181 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:15,181 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:15,181 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:15,181 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:15,181 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:15,181 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration4_Lasso [2024-10-31 21:57:15,182 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:15,182 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:15,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:15,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:16,267 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:16,267 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,270 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:57:16,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:16,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,341 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:57:16,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,369 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:16,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,395 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:57:16,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:16,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,478 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:57:16,481 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 [2024-10-31 21:57:16,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:57:16,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,542 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:57:16,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,578 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:16,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,602 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:57:16,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,639 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 21:57:16,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,663 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:57:16,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,703 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:16,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,725 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:57:16,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:16,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:16,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:16,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:16,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:16,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:16,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:16,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:16,806 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-31 21:57:16,806 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-31 21:57:16,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:16,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:16,816 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:16,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:57:16,818 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:16,836 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:16,836 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:16,837 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) 0)_2 Supporting invariants [] [2024-10-31 21:57:16,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 21:57:16,971 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2024-10-31 21:57:16,974 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 21:57:16,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 21:57:16,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-10-31 21:57:17,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:17,382 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:57:17,383 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:17,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2024-10-31 21:57:17,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-31 21:57:17,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 21:57:17,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:17,485 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:57:17,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:17,732 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:57:17,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:17,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2024-10-31 21:57:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-31 21:57:17,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 21:57:17,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:17,824 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:57:17,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:17,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:57:17,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:18,056 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:57:18,056 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:18,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 21:57:18,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 56 transitions. Complement of second has 7 states. [2024-10-31 21:57:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-10-31 21:57:18,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 21:57:18,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:18,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 20 letters. Loop has 6 letters. [2024-10-31 21:57:18,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:18,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 12 letters. [2024-10-31 21:57:18,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:18,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 56 transitions. [2024-10-31 21:57:18,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-31 21:57:18,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 44 transitions. [2024-10-31 21:57:18,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-10-31 21:57:18,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 21:57:18,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2024-10-31 21:57:18,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:57:18,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-10-31 21:57:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2024-10-31 21:57:18,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 14. [2024-10-31 21:57:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-10-31 21:57:18,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-31 21:57:18,163 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-31 21:57:18,163 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:57:18,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2024-10-31 21:57:18,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-31 21:57:18,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:18,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:18,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 21:57:18,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:18,165 INFO L745 eck$LassoCheckResult]: Stem: 989#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 990#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_#t~nondet13#1, main_#t~mem14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~d~0#1.base, main_~d~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~d~0#1.base, main_~d~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;call write~int#2(main_#t~nondet7#1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~nondet7#1; 982#L555-2 [2024-10-31 21:57:18,165 INFO L747 eck$LassoCheckResult]: Loop: 982#L555-2 call main_#t~mem8#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 991#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 985#L554-3 main_#t~short12#1 := main_#t~short10#1; 986#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 993#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;havoc main_#t~nondet13#1; 981#L555 assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1;havoc main_#t~nondet16#1;call write~int#0(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(main_#t~mem17#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem17#1;call main_#t~mem18#1 := read~int#2(main_~d~0#1.base, main_~d~0#1.offset, 4);call write~int#2(main_#t~mem18#1 - 1, main_~d~0#1.base, main_~d~0#1.offset, 4);havoc main_#t~mem18#1; 982#L555-2 [2024-10-31 21:57:18,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:18,165 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-10-31 21:57:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898291889] [2024-10-31 21:57:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:18,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:18,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577164, now seen corresponding path program 1 times [2024-10-31 21:57:18,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:18,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451599940] [2024-10-31 21:57:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:18,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:18,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:18,205 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 3 times [2024-10-31 21:57:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:18,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302610399] [2024-10-31 21:57:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:18,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:19,202 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:19,203 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:19,203 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:19,203 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:19,203 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:19,203 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:19,203 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:19,204 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:19,204 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca-2.i_Iteration5_Lasso [2024-10-31 21:57:19,204 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:19,204 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:19,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:19,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,022 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:20,022 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,025 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:57:20,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,056 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:57:20,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,071 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 21:57:20,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,086 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:57:20,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 21:57:20,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,115 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:57:20,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:57:20,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,147 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:57:20,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 21:57:20,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,180 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:57:20,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,207 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:57:20,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,235 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:57:20,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,249 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 21:57:20,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,262 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:57:20,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,290 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:57:20,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,307 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:57:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,328 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:57:20,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:20,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-31 21:57:20,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,373 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:57:20,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:20,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,418 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:57:20,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:20,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:20,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:20,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:20,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:20,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:20,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:20,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:20,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:20,446 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:57:20,446 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:57:20,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:20,448 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:20,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:57:20,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:20,453 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:57:20,453 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:20,453 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4 Supporting invariants [] [2024-10-31 21:57:20,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:20,556 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-10-31 21:57:20,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 21:57:20,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 21:57:20,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-10-31 21:57:20,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:20,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:57:20,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:20,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:57:20,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:20,731 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-31 21:57:20,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:20,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 10 states. [2024-10-31 21:57:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-31 21:57:20,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-31 21:57:20,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:20,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-31 21:57:20,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:20,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 12 letters. [2024-10-31 21:57:20,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:20,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 45 transitions. [2024-10-31 21:57:20,805 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:20,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2024-10-31 21:57:20,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 21:57:20,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 21:57:20,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 21:57:20,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:20,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:20,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:20,808 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:20,808 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:57:20,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:57:20,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:20,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 21:57:20,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 09:57:20 BoogieIcfgContainer [2024-10-31 21:57:20,816 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 21:57:20,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:57:20,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:57:20,817 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:57:20,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:04" (3/4) ... [2024-10-31 21:57:20,822 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:57:20,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:57:20,824 INFO L158 Benchmark]: Toolchain (without parser) took 17760.12ms. Allocated memory was 127.9MB in the beginning and 211.8MB in the end (delta: 83.9MB). Free memory was 89.0MB in the beginning and 90.0MB in the end (delta: -1.0MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,824 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:20,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.85ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 70.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.44ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,825 INFO L158 Benchmark]: Boogie Preprocessor took 45.26ms. Allocated memory is still 127.9MB. Free memory was 68.9MB in the beginning and 67.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,826 INFO L158 Benchmark]: RCFGBuilder took 553.54ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 66.7MB in the beginning and 137.8MB in the end (delta: -71.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,827 INFO L158 Benchmark]: BuchiAutomizer took 16571.98ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 91.1MB in the end (delta: 46.7MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-10-31 21:57:20,829 INFO L158 Benchmark]: Witness Printer took 6.65ms. Allocated memory is still 211.8MB. Free memory was 91.1MB in the beginning and 90.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:20,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.85ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 70.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.44ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 68.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.26ms. Allocated memory is still 127.9MB. Free memory was 68.9MB in the beginning and 67.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.54ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 66.7MB in the beginning and 137.8MB in the end (delta: -71.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 16571.98ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 91.1MB in the end (delta: 46.7MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Witness Printer took 6.65ms. Allocated memory is still 211.8MB. Free memory was 91.1MB in the beginning and 90.0MB in the end (delta: 1.0MB). 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: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 67 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital254 mio100 ax107 hnf100 lsp93 ukn68 mio100 lsp21 div100 bol100 ite100 ukn100 eq163 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 21:57:20,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 21:57:21,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_358cacb7-6717-41ec-b839-d83bdfc013d9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE