./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/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_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/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_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/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 b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:15,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:15,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:57:15,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:15,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:15,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:15,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:15,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:15,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:15,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:15,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:15,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:15,986 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:15,987 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:57:15,987 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:57:15,987 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:57:15,988 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:57:15,991 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:57:15,992 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:57:15,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:15,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:57:15,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:15,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:15,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:57:15,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:57:15,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:57:15,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:15,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:15,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:15,996 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:57:15,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:15,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:16,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:16,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:16,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:16,002 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:57:16,002 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_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 [2024-10-31 21:57:16,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:16,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:16,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:16,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:16,320 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:16,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i Unable to find full path for "g++" [2024-10-31 21:57:18,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:18,570 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:18,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2024-10-31 21:57:18,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/data/5f3af009b/15dbc1b78cac4b36b35806da836cfe75/FLAG346036270 [2024-10-31 21:57:18,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/data/5f3af009b/15dbc1b78cac4b36b35806da836cfe75 [2024-10-31 21:57:18,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:18,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:18,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:18,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:18,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:18,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:18" (1/1) ... [2024-10-31 21:57:18,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0eb584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:18, skipping insertion in model container [2024-10-31 21:57:18,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:18" (1/1) ... [2024-10-31 21:57:18,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:19,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:19,299 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:19,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:19,374 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:19,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19 WrapperNode [2024-10-31 21:57:19,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:19,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:19,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:19,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:19,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,433 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-10-31 21:57:19,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:19,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:19,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:19,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:19,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,477 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [5, 4]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-10-31 21:57:19,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:19,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:19,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:19,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:19,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (1/1) ... [2024-10-31 21:57:19,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:19,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:19,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:19,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:19,685 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:19,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:19,884 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:19,884 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:19,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:19,897 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:57:19,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:19 BoogieIcfgContainer [2024-10-31 21:57:19,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:19,899 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:57:19,899 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:57:19,906 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:57:19,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:19,907 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:57:18" (1/3) ... [2024-10-31 21:57:19,909 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9b9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:19, skipping insertion in model container [2024-10-31 21:57:19,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:19,909 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:19" (2/3) ... [2024-10-31 21:57:19,911 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9b9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:57:19, skipping insertion in model container [2024-10-31 21:57:19,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:57:19,912 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:19" (3/3) ... [2024-10-31 21:57:19,913 INFO L332 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2024-10-31 21:57:19,967 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:57:19,967 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:57:19,967 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:57:19,967 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:57:19,968 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:57:19,968 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:57:19,968 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:57:19,968 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:57:19,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 21:57:19,998 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-10-31 21:57:19,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:19,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:20,004 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:57:20,005 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:57:20,005 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:57:20,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 21:57:20,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-10-31 21:57:20,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:20,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:20,008 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:57:20,008 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:57:20,016 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 10#L514true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 6#L516-3true [2024-10-31 21:57:20,016 INFO L747 eck$LassoCheckResult]: Loop: 6#L516-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1; 14#L516-2true main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 6#L516-3true [2024-10-31 21:57:20,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:20,025 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-10-31 21:57:20,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:20,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505522095] [2024-10-31 21:57:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:20,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2024-10-31 21:57:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:20,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324031402] [2024-10-31 21:57:20,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:20,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2024-10-31 21:57:20,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:20,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206848914] [2024-10-31 21:57:20,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:20,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:20,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:20,682 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:20,682 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:20,683 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:20,683 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:20,683 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:20,683 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:20,683 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:20,683 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:20,683 INFO L132 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2024-10-31 21:57:20,684 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:20,684 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:20,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:20,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:21,318 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:21,323 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:21,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:21,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:21,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:21,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:57:21,332 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 21:57:21,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:21,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:21,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:21,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:21,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:21,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:21,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:21,358 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:21,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:21,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:21,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:21,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:21,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:57:21,384 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 21:57:21,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:21,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:21,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:21,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:21,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:21,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:21,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:21,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:57:21,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:21,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:21,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:21,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:57:21,428 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 21:57:21,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:21,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:21,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:21,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:21,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:21,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:21,469 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:21,510 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:57:21,510 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 21:57:21,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:21,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:21,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:57:21,518 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:21,538 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:21,538 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:21,539 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2024-10-31 21:57:21,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 21:57:21,574 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 21:57:21,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:21,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:57:21,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:21,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:57:21,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:21,676 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 21:57:21,714 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 21:57:21,716 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 21:57:21,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 36 states and 51 transitions. Complement of second has 6 states. [2024-10-31 21:57:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 21:57:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2024-10-31 21:57:21,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 21:57:21,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:21,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 21:57:21,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:21,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 21:57:21,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:21,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 51 transitions. [2024-10-31 21:57:21,797 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:57:21,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 14 states and 19 transitions. [2024-10-31 21:57:21,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:57:21,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:57:21,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-10-31 21:57:21,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:21,806 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 21:57:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-10-31 21:57:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 21:57:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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 21:57:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-10-31 21:57:21,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 21:57:21,834 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 21:57:21,835 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:57:21,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2024-10-31 21:57:21,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:57:21,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:21,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:21,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:57:21,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:57:21,838 INFO L745 eck$LassoCheckResult]: Stem: 115#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 113#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 109#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 107#L516-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 108#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 116#L524-3 [2024-10-31 21:57:21,838 INFO L747 eck$LassoCheckResult]: Loop: 116#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 118#L524-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 116#L524-3 [2024-10-31 21:57:21,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:21,841 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2024-10-31 21:57:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:21,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666123637] [2024-10-31 21:57:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:21,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:21,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2024-10-31 21:57:21,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:21,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174580487] [2024-10-31 21:57:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:21,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:21,915 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2024-10-31 21:57:21,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:21,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033128154] [2024-10-31 21:57:21,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:21,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:21,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:22,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:57:22,543 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:22,543 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:22,543 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:22,543 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:22,543 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:22,544 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:22,544 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:22,544 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:22,544 INFO L132 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration2_Lasso [2024-10-31 21:57:22,544 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:22,544 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:22,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:22,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:23,213 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:23,214 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:23,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:57:23,221 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 21:57:23,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:23,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:23,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:23,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 21:57:23,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,263 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:57:23,266 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 21:57:23,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,304 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:23,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:57:23,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:23,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,350 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:57:23,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:57:23,375 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 21:57:23,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,398 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:57:23,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:57:23,423 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 21:57:23,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 21:57:23,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,466 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:57:23,471 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 21:57:23,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:23,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 21:57:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,520 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:57:23,523 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 21:57:23,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:23,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:23,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:23,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:23,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:23,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:23,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:23,586 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 21:57:23,587 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 21:57:23,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:23,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:23,589 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:23,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:57:23,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:23,611 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:23,611 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:23,612 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~out_len~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~out_len~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-31 21:57:23,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:57:23,667 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 21:57:23,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:23,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:57:23,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:23,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:57:23,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:23,747 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 21:57:23,748 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 21:57:23,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 21:57:23,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 20 states and 29 transitions. Complement of second has 6 states. [2024-10-31 21:57:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 21:57:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-31 21:57:23,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 21:57:23,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:23,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-31 21:57:23,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:23,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 21:57:23,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:23,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2024-10-31 21:57:23,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:23,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 20 transitions. [2024-10-31 21:57:23,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 21:57:23,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:57:23,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-10-31 21:57:23,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:23,790 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:57:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-10-31 21:57:23,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-31 21:57:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 21:57:23,793 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:57:23,793 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 21:57:23,793 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:57:23,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-31 21:57:23,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:23,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:23,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:23,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:23,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:57:23,795 INFO L745 eck$LassoCheckResult]: Stem: 230#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 228#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 224#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 222#L516-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 223#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 231#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 232#L524-4 havoc main_~i~1#1;call write~int#1(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 220#L508-5 [2024-10-31 21:57:23,795 INFO L747 eck$LassoCheckResult]: Loop: 220#L508-5 call strcmp_#t~mem4#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 221#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int#1(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 229#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset; 220#L508-5 [2024-10-31 21:57:23,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash 180614358, now seen corresponding path program 1 times [2024-10-31 21:57:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816993037] [2024-10-31 21:57:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:23,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 1 times [2024-10-31 21:57:23,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079284911] [2024-10-31 21:57:23,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:23,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:23,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:23,911 INFO L85 PathProgramCache]: Analyzing trace with hash -911637921, now seen corresponding path program 1 times [2024-10-31 21:57:23,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:23,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744812078] [2024-10-31 21:57:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:23,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:57:24,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:24,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744812078] [2024-10-31 21:57:24,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744812078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:24,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:24,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:57:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098115850] [2024-10-31 21:57:24,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:24,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:24,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:57:24,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:57:24,685 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:24,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 21:57:24,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:24,802 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-10-31 21:57:24,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2024-10-31 21:57:24,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:24,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 16 states and 19 transitions. [2024-10-31 21:57:24,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:57:24,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:57:24,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-10-31 21:57:24,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:24,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-31 21:57:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-10-31 21:57:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-31 21:57:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-10-31 21:57:24,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-10-31 21:57:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:57:24,808 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-10-31 21:57:24,808 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:57:24,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-10-31 21:57:24,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:24,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:24,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:24,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:24,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:57:24,810 INFO L745 eck$LassoCheckResult]: Stem: 285#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 283#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 279#L516-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1; 280#L516-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 281#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 277#L516-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 278#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 286#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 287#L524-4 havoc main_~i~1#1;call write~int#1(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 275#L508-5 [2024-10-31 21:57:24,810 INFO L747 eck$LassoCheckResult]: Loop: 275#L508-5 call strcmp_#t~mem4#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 276#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int#1(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 284#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset; 275#L508-5 [2024-10-31 21:57:24,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash -875116236, now seen corresponding path program 1 times [2024-10-31 21:57:24,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:24,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764526086] [2024-10-31 21:57:24,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:24,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:24,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:24,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:24,869 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 2 times [2024-10-31 21:57:24,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373031312] [2024-10-31 21:57:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:24,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:24,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:24,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:24,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:24,886 INFO L85 PathProgramCache]: Analyzing trace with hash -136255167, now seen corresponding path program 1 times [2024-10-31 21:57:24,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:24,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078439269] [2024-10-31 21:57:24,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:57:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078439269] [2024-10-31 21:57:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078439269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:25,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:25,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:57:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632319576] [2024-10-31 21:57:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:25,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:25,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:57:25,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:57:25,377 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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 21:57:25,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:57:25,451 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-10-31 21:57:25,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2024-10-31 21:57:25,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:25,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 18 transitions. [2024-10-31 21:57:25,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:57:25,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 21:57:25,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2024-10-31 21:57:25,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:25,453 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-31 21:57:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2024-10-31 21:57:25,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-31 21:57:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-10-31 21:57:25,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-31 21:57:25,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:57:25,458 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-10-31 21:57:25,458 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:57:25,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-10-31 21:57:25,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 21:57:25,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:57:25,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:57:25,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:25,459 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:57:25,459 INFO L745 eck$LassoCheckResult]: Stem: 336#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 333#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 334#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 330#L516-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet12#1;call write~int#0(main_#t~nondet12#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1; 331#L516-2 main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1; 332#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 328#L516-4 havoc main_~i~0#1;call write~int#0(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 329#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 337#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1; 338#L524-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 339#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 340#L524-4 havoc main_~i~1#1;call write~int#1(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 326#L508-5 [2024-10-31 21:57:25,459 INFO L747 eck$LassoCheckResult]: Loop: 326#L508-5 call strcmp_#t~mem4#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 327#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int#0(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int#1(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 335#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset; 326#L508-5 [2024-10-31 21:57:25,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:25,460 INFO L85 PathProgramCache]: Analyzing trace with hash 826943990, now seen corresponding path program 1 times [2024-10-31 21:57:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:25,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557069394] [2024-10-31 21:57:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:25,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:25,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:25,505 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 3 times [2024-10-31 21:57:25,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:25,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545773178] [2024-10-31 21:57:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:25,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:25,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash -443958977, now seen corresponding path program 1 times [2024-10-31 21:57:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694861734] [2024-10-31 21:57:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:57:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:57:25,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:57:26,722 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:57:26,722 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:57:26,722 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:57:26,723 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:57:26,723 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:57:26,723 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:26,723 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:57:26,723 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:57:26,723 INFO L132 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration5_Lasso [2024-10-31 21:57:26,723 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:57:26,723 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:57:26,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:26,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:57:27,624 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:57:27,624 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:57:27,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,631 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:57:27,634 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 21:57:27,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,662 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:57:27,665 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 21:57:27,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,683 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 21:57:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,704 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:57:27,710 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 21:57:27,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,733 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,755 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:57:27,758 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 21:57:27,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,778 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,799 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:57:27,801 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 21:57:27,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,820 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,839 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:57:27,841 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 21:57:27,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,868 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:57:27,870 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 21:57:27,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,903 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:57:27,905 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 21:57:27,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,933 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:57:27,934 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 21:57:27,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 21:57:27,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,960 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:57:27,962 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 21:57:27,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:27,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:27,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:27,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:27,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:27,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:27,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:27,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:27,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:27,990 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:27,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:57:27,992 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 21:57:28,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:28,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,023 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:57:28,028 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 21:57:28,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 21:57:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,056 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:57:28,057 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 21:57:28,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 21:57:28,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,084 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:57:28,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:57:28,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 21:57:28,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,117 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:57:28,119 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 21:57:28,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,136 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:28,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,153 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:57:28,157 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 21:57:28,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:57:28,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:57:28,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:57:28,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 21:57:28,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,184 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:57:28,187 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 21:57:28,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,202 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 21:57:28,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,210 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 21:57:28,210 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 21:57:28,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,247 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:57:28,249 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 21:57:28,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:28,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:28,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:57:28,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:28,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,301 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:57:28,303 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 21:57:28,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:57:28,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:57:28,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:57:28,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:57:28,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:57:28,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:57:28,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:57:28,355 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-31 21:57:28,355 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 21:57:28,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:57:28,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:28,358 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:28,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:57:28,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:57:28,379 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:57:28,379 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:57:28,379 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcmp_~s1#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3) = -1*ULTIMATE.start_strcmp_~s1#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 Supporting invariants [] [2024-10-31 21:57:28,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 21:57:28,438 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-10-31 21:57:28,441 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s1!offset [2024-10-31 21:57:28,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:57:28,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:57:28,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:28,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:57:28,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:28,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:57:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:28,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:57:28,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:57:28,657 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 21:57:28,658 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 21:57:28,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 21:57:28,722 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 18 states and 21 transitions. Complement of second has 5 states. [2024-10-31 21:57:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:57:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 21:57:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-31 21:57:28,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 3 letters. [2024-10-31 21:57:28,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:28,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 21:57:28,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:28,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 6 letters. [2024-10-31 21:57:28,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:57:28,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2024-10-31 21:57:28,726 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:28,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-10-31 21:57:28,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 21:57:28,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 21:57:28,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 21:57:28,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:57:28,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:28,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:28,727 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:57:28,727 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:57:28,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:57:28,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 21:57:28,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 21:57:28,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 09:57:28 BoogieIcfgContainer [2024-10-31 21:57:28,737 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 21:57:28,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:57:28,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:57:28,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:57:28,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:19" (3/4) ... [2024-10-31 21:57:28,741 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:57:28,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:57:28,743 INFO L158 Benchmark]: Toolchain (without parser) took 10133.52ms. Allocated memory was 115.3MB in the beginning and 205.5MB in the end (delta: 90.2MB). Free memory was 78.7MB in the beginning and 155.4MB in the end (delta: -76.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,745 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:28,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.94ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 60.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.27ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 112.4MB in the end (delta: -52.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,746 INFO L158 Benchmark]: Boogie Preprocessor took 86.90ms. Allocated memory is still 140.5MB. Free memory was 112.4MB in the beginning and 112.0MB in the end (delta: 398.9kB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,747 INFO L158 Benchmark]: RCFGBuilder took 371.60ms. Allocated memory is still 140.5MB. Free memory was 112.0MB in the beginning and 98.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,747 INFO L158 Benchmark]: BuchiAutomizer took 8837.89ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 98.1MB in the beginning and 155.4MB in the end (delta: -57.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-10-31 21:57:28,747 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 205.5MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:57:28,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.94ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 60.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.27ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 60.0MB in the beginning and 112.4MB in the end (delta: -52.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.90ms. Allocated memory is still 140.5MB. Free memory was 112.4MB in the beginning and 112.0MB in the end (delta: 398.9kB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 371.60ms. Allocated memory is still 140.5MB. Free memory was 112.0MB in the beginning and 98.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8837.89ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 98.1MB in the beginning and 155.4MB in the end (delta: -57.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 205.5MB. Free memory is still 155.4MB. 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: ~s1!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long) -1 * i) + in_len) and consists of 4 locations. One deterministic module has affine ranking function (out_len + ((long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 42 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital132 mio100 ax100 hnf100 lsp100 ukn81 mio100 lsp40 div157 bol100 ite100 ukn100 eq159 hnf92 smp80 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 21:57:28,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5f39d4-e8a6-45cb-a792-d8e20487a6b2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE