./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strspn.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_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/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_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strspn.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/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_5f5b677b-c55c-4091-a60b-598cc374be5f/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 d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:13,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:13,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:01:13,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:13,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:13,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:13,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:13,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:13,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:13,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:13,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:13,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:13,795 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:13,796 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:01:13,796 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:01:13,797 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:01:13,797 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:01:13,797 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:01:13,798 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:01:13,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:13,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:01:13,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:13,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:13,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:01:13,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:01:13,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:01:13,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:13,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:13,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:13,802 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:01:13,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:13,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:13,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:13,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:13,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:13,804 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:01:13,805 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_5f5b677b-c55c-4091-a60b-598cc374be5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c6859ca90ff0da205f4fa2f88d8f61c0c2d9f9f437471b81ea8abc3f9fd19e [2024-10-31 22:01:14,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:14,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:14,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:14,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:14,194 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:14,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-dietlibc/strspn.i Unable to find full path for "g++" [2024-10-31 22:01:16,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:16,979 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:16,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/sv-benchmarks/c/termination-dietlibc/strspn.i [2024-10-31 22:01:16,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/data/d0d24938b/447eb5eff692449e85dd5f5ad7c629eb/FLAG91c591e11 [2024-10-31 22:01:17,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/data/d0d24938b/447eb5eff692449e85dd5f5ad7c629eb [2024-10-31 22:01:17,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:17,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:17,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:17,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:17,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:17,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac386f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17, skipping insertion in model container [2024-10-31 22:01:17,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:17,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:17,777 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:17,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:17,885 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:17,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17 WrapperNode [2024-10-31 22:01:17,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:17,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:17,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:17,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:17,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,953 INFO L138 Inliner]: procedures = 113, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-10-31 22:01:17,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:17,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:17,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:17,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:17,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:17,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,001 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-10-31 22:01:18,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:18,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:18,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:18,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:18,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (1/1) ... [2024-10-31 22:01:18,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:18,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:18,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:01:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:01:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:18,258 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:18,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:18,506 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:18,507 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:18,519 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:18,520 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:01:18,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:18 BoogieIcfgContainer [2024-10-31 22:01:18,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:18,522 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:01:18,522 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:01:18,526 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:01:18,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:18,527 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:01:17" (1/3) ... [2024-10-31 22:01:18,529 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f9fb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:01:18, skipping insertion in model container [2024-10-31 22:01:18,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:18,529 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:17" (2/3) ... [2024-10-31 22:01:18,530 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8f9fb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:01:18, skipping insertion in model container [2024-10-31 22:01:18,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:18,530 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:18" (3/3) ... [2024-10-31 22:01:18,531 INFO L332 chiAutomizerObserver]: Analyzing ICFG strspn.i [2024-10-31 22:01:18,606 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:01:18,606 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:01:18,606 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:01:18,607 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:01:18,607 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:01:18,607 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:01:18,607 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:01:18,607 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:01:18,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:18,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-31 22:01:18,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:18,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:18,678 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:01:18,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:01:18,679 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:01:18,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:18,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-31 22:01:18,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:18,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:18,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:01:18,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:01:18,699 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 9#L521true assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 2#L525true assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 6#L510-4true [2024-10-31 22:01:18,706 INFO L747 eck$LassoCheckResult]: Loop: 6#L510-4true call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 13#L510-1true assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 4#L511-6true assume !true; 8#L511-7true call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 15#L512true assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1; 12#L510-3true strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset; 6#L510-4true [2024-10-31 22:01:18,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:18,723 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2024-10-31 22:01:18,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:18,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925851106] [2024-10-31 22:01:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:19,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1366197546, now seen corresponding path program 1 times [2024-10-31 22:01:19,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:19,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243042605] [2024-10-31 22:01:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:19,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:19,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243042605] [2024-10-31 22:01:19,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243042605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:19,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:19,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:19,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132158814] [2024-10-31 22:01:19,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:19,206 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:01:19,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:19,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:19,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:19,256 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:19,266 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 22:01:19,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-10-31 22:01:19,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-31 22:01:19,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 15 transitions. [2024-10-31 22:01:19,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:01:19,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:01:19,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2024-10-31 22:01:19,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:01:19,281 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-31 22:01:19,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2024-10-31 22:01:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-31 22:01:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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 22:01:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-10-31 22:01:19,316 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-31 22:01:19,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:19,322 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-31 22:01:19,322 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:01:19,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-10-31 22:01:19,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-10-31 22:01:19,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:19,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:19,324 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:01:19,324 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:19,324 INFO L745 eck$LassoCheckResult]: Stem: 56#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 48#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 49#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 44#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 45#L510-4 [2024-10-31 22:01:19,324 INFO L747 eck$LassoCheckResult]: Loop: 45#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 50#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 46#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 47#L511-1 assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1; 53#L511-3 assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 51#L511-7 call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 52#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1; 55#L510-3 strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset; 45#L510-4 [2024-10-31 22:01:19,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:19,325 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2024-10-31 22:01:19,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:19,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50876907] [2024-10-31 22:01:19,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:19,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:19,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1786909933, now seen corresponding path program 1 times [2024-10-31 22:01:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:19,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805941439] [2024-10-31 22:01:19,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:19,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:19,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1162005510, now seen corresponding path program 1 times [2024-10-31 22:01:19,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:19,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906371784] [2024-10-31 22:01:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:19,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:19,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:21,055 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:01:21,056 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:01:21,056 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:01:21,056 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:01:21,056 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:01:21,056 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:21,056 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:01:21,056 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:01:21,057 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration2_Lasso [2024-10-31 22:01:21,057 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:01:21,057 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:01:21,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:21,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:22,011 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:01:22,020 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:01:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:01:22,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:01:22,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:01:22,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,099 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:01:22,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:01:22,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:01:22,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:01:22,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:01:22,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,219 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:01:22,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:22,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:22,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:01:22,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:01:22,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:01:22,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,336 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:01:22,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,363 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:01:22,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:01:22,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,437 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:01:22,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,458 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:01:22,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,481 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:01:22,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:01:22,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:01:22,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,556 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:01:22,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,580 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:01:22,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,605 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,626 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:01:22,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,659 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:01:22,665 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 22:01:22,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,687 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:01:22,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,711 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:01:22,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,739 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:01:22,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,761 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:01:22,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,793 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:01:22,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,825 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:01:22,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,856 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:01:22,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:22,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:22,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:22,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:01:22,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,896 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:01:22,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:22,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:22,928 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:22,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:22,949 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:22,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:01:22,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:22,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:22,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:22,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:22,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:22,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:22,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:22,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:22,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:01:22,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:22,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:23,002 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:23,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:01:23,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:23,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:23,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:23,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:23,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:23,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:23,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:23,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:23,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:01:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:23,060 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:01:23,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:23,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:23,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:23,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:23,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:23,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:23,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:23,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:23,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:01:23,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:23,110 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:01:23,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:23,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:23,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:23,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:23,129 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:01:23,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:23,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:01:23,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:23,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:23,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:23,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:23,157 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:23,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:01:23,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:23,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:23,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:23,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:23,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:23,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:23,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:23,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:01:23,271 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-31 22:01:23,271 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-31 22:01:23,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:23,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:23,293 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:23,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:01:23,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:01:23,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:01:23,314 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:01:23,315 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 Supporting invariants [] [2024-10-31 22:01:23,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:23,383 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-31 22:01:23,391 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:01:23,392 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:01:23,394 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-10-31 22:01:23,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:23,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:23,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:23,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:23,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:23,592 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 22:01:23,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:23,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22 states and 27 transitions. Complement of second has 5 states. [2024-10-31 22:01:23,675 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 22:01:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-31 22:01:23,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 8 letters. [2024-10-31 22:01:23,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:23,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-31 22:01:23,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:23,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 16 letters. [2024-10-31 22:01:23,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:23,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2024-10-31 22:01:23,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:01:23,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 19 states and 24 transitions. [2024-10-31 22:01:23,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:01:23,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:01:23,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2024-10-31 22:01:23,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:01:23,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-31 22:01:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2024-10-31 22:01:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-31 22:01:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2024-10-31 22:01:23,685 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-31 22:01:23,685 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-10-31 22:01:23,685 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:01:23,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2024-10-31 22:01:23,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:01:23,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:23,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:23,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:01:23,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:01:23,688 INFO L745 eck$LassoCheckResult]: Stem: 200#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 189#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 182#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 183#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 191#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 184#L511-6 [2024-10-31 22:01:23,689 INFO L747 eck$LassoCheckResult]: Loop: 184#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 185#L511-1 assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1; 195#L511-3 assume !!strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 196#L511-5 strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset; 184#L511-6 [2024-10-31 22:01:23,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,689 INFO L85 PathProgramCache]: Analyzing trace with hash 889571309, now seen corresponding path program 1 times [2024-10-31 22:01:23,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:23,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993542398] [2024-10-31 22:01:23,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:23,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:23,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 1 times [2024-10-31 22:01:23,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:23,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128122438] [2024-10-31 22:01:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:23,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:23,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 736220242, now seen corresponding path program 1 times [2024-10-31 22:01:23,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:23,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837791589] [2024-10-31 22:01:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:23,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:24,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:24,819 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:01:24,820 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:01:24,820 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:01:24,820 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:01:24,820 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:01:24,820 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:24,820 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:01:24,820 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:01:24,820 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration3_Lasso [2024-10-31 22:01:24,820 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:01:24,821 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:01:24,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:24,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:25,706 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:01:25,706 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:01:25,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:25,709 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:25,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:01:25,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:25,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:25,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:25,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:25,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:25,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:25,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:25,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:25,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:25,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:01:25,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:25,760 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:25,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:01:25,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:25,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:25,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:25,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:25,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:25,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:25,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:25,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:01:25,821 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 22:01:25,822 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-31 22:01:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:25,825 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:25,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:01:25,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:01:25,843 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:01:25,843 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:01:25,843 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2, ULTIMATE.start_strspn_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [] [2024-10-31 22:01:25,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:25,909 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-10-31 22:01:25,912 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:01:25,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:01:25,913 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2024-10-31 22:01:25,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:01:25,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:26,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:26,130 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 22:01:26,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 22:01:26,257 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 49 transitions. Complement of second has 6 states. [2024-10-31 22:01:26,259 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 22:01:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-10-31 22:01:26,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:01:26,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:26,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-31 22:01:26,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:26,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-31 22:01:26,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:26,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2024-10-31 22:01:26,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:01:26,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 34 transitions. [2024-10-31 22:01:26,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:01:26,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:01:26,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2024-10-31 22:01:26,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:01:26,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-10-31 22:01:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2024-10-31 22:01:26,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-10-31 22:01:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2024-10-31 22:01:26,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2024-10-31 22:01:26,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2024-10-31 22:01:26,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:01:26,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2024-10-31 22:01:26,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:01:26,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:26,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:26,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:26,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:01:26,277 INFO L745 eck$LassoCheckResult]: Stem: 356#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 343#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 344#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 337#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 338#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 345#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 355#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 358#L511-1 assume !strspn_#t~short6#1; 353#L511-3 assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 349#L511-7 call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 350#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1; 354#L510-3 strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset; 346#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 348#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 339#L511-6 [2024-10-31 22:01:26,277 INFO L747 eck$LassoCheckResult]: Loop: 339#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 340#L511-1 assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1; 351#L511-3 assume !!strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 352#L511-5 strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset; 339#L511-6 [2024-10-31 22:01:26,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1779209729, now seen corresponding path program 1 times [2024-10-31 22:01:26,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077118365] [2024-10-31 22:01:26,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:26,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:26,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077118365] [2024-10-31 22:01:26,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077118365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:26,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:26,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734704183] [2024-10-31 22:01:26,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:26,460 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:01:26,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 2 times [2024-10-31 22:01:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323709785] [2024-10-31 22:01:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:26,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:26,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:26,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:26,681 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:26,730 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2024-10-31 22:01:26,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2024-10-31 22:01:26,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 22:01:26,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 32 states and 38 transitions. [2024-10-31 22:01:26,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:01:26,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:01:26,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 38 transitions. [2024-10-31 22:01:26,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:01:26,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-10-31 22:01:26,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 38 transitions. [2024-10-31 22:01:26,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2024-10-31 22:01:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2024-10-31 22:01:26,739 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions. [2024-10-31 22:01:26,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:26,743 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2024-10-31 22:01:26,743 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:01:26,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2024-10-31 22:01:26,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:01:26,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:26,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:26,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:26,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:01:26,748 INFO L745 eck$LassoCheckResult]: Stem: 426#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 412#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~nondet13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~ret15#1, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet11#1;main_~in_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 413#L521 assume !(main_~in_len~0#1 < 1);call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet13#1;main_~out_len~0#1 := main_#t~nondet13#1;havoc main_#t~nondet13#1; 406#L525 assume !(main_~out_len~0#1 < 1);call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;call write~int#1(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strspn_#res#1;havoc strspn_#t~mem2#1, strspn_#t~mem5#1, strspn_#t~mem3#1, strspn_#t~mem4#1, strspn_#t~short6#1, strspn_#t~post7#1.base, strspn_#t~post7#1.offset, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post10#1.base, strspn_#t~post10#1.offset, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 407#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 414#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 425#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 431#L511-1 assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1; 428#L511-3 assume !strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 418#L511-7 call strspn_#t~mem8#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 419#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1; 424#L510-3 strspn_#t~post10#1.base, strspn_#t~post10#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post10#1.base, 1 + strspn_#t~post10#1.offset;havoc strspn_#t~post10#1.base, strspn_#t~post10#1.offset; 415#L510-4 call strspn_#t~mem2#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1); 417#L510-1 assume !!(0 != strspn_#t~mem2#1);havoc strspn_#t~mem2#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 408#L511-6 [2024-10-31 22:01:26,748 INFO L747 eck$LassoCheckResult]: Loop: 408#L511-6 call strspn_#t~mem5#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := 0 != strspn_#t~mem5#1; 409#L511-1 assume strspn_#t~short6#1;call strspn_#t~mem3#1 := read~int#0(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem4#1 := read~int#1(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short6#1 := strspn_#t~mem3#1 != strspn_#t~mem4#1; 420#L511-3 assume !!strspn_#t~short6#1;havoc strspn_#t~mem5#1;havoc strspn_#t~mem3#1;havoc strspn_#t~mem4#1;havoc strspn_#t~short6#1; 421#L511-5 strspn_#t~post7#1.base, strspn_#t~post7#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post7#1.base, 1 + strspn_#t~post7#1.offset;havoc strspn_#t~post7#1.base, strspn_#t~post7#1.offset; 408#L511-6 [2024-10-31 22:01:26,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash 4202367, now seen corresponding path program 2 times [2024-10-31 22:01:26,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447914632] [2024-10-31 22:01:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:26,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1696358, now seen corresponding path program 3 times [2024-10-31 22:01:26,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904141852] [2024-10-31 22:01:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:26,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1675488540, now seen corresponding path program 1 times [2024-10-31 22:01:26,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342629547] [2024-10-31 22:01:26,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:26,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:28,311 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:01:28,311 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:01:28,312 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:01:28,312 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:01:28,312 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:01:28,312 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:28,312 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:01:28,312 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:01:28,312 INFO L132 ssoRankerPreferences]: Filename of dumped script: strspn.i_Iteration5_Lasso [2024-10-31 22:01:28,312 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:01:28,312 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:01:28,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:28,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:29,279 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:01:29,280 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:01:29,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,283 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:01:29,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:29,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:29,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:01:29,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,325 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:01:29,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:01:29,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,359 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:01:29,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 22:01:29,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,388 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:01:29,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,403 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:01:29,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,417 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:01:29,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:01:29,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,446 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:01:29,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,462 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,476 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:01:29,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,495 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,510 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:01:29,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,531 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,553 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:01:29,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,575 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,597 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:01:29,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,620 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:01:29,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,641 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:01:29,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:29,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:29,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:29,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,689 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:01:29,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,712 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-10-31 22:01:29,712 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-10-31 22:01:29,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,761 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2024-10-31 22:01:29,761 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-10-31 22:01:29,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,865 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:01:29,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:29,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:29,890 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,912 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:01:29,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:29,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:29,944 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:29,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:29,966 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:29,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:01:29,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:29,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:29,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:29,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:29,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:29,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:29,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:29,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:30,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 22:01:30,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:30,020 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:30,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:30,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:01:30,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:30,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:30,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:30,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:30,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:30,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:30,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:30,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:30,070 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:30,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:01:30,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:30,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:30,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:30,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:30,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:30,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:30,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:30,089 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:30,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:01:30,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:30,103 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:30,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:01:30,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:30,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:30,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:30,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:30,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:30,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:30,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:30,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:01:30,148 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-31 22:01:30,148 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-31 22:01:30,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:30,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:30,149 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:30,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 22:01:30,151 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:01:30,163 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:01:30,163 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:01:30,163 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strspn_~a~0#1.base)_2, ULTIMATE.start_strspn_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_strspn_~a~0#1.base)_2 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [] [2024-10-31 22:01:30,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-31 22:01:30,228 INFO L156 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2024-10-31 22:01:30,229 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:01:30,229 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:01:30,230 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2024-10-31 22:01:30,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:30,361 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 22:01:30,362 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,394 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 34 states and 41 transitions. Complement of second has 5 states. [2024-10-31 22:01:30,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:01:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:01:30,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-31 22:01:30,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:30,398 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:01:30,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:30,522 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:01:30,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 34 states and 41 transitions. Complement of second has 5 states. [2024-10-31 22:01:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:01:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:01:30,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-31 22:01:30,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:30,551 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:01:30,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:01:30,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:30,685 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:01:30,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 33 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) Result 41 states and 52 transitions. Complement of second has 4 states. [2024-10-31 22:01:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:01:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 22:01:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2024-10-31 22:01:30,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-31 22:01:30,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:30,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 4 letters. [2024-10-31 22:01:30,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:30,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 14 letters. Loop has 8 letters. [2024-10-31 22:01:30,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:30,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2024-10-31 22:01:30,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:01:30,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2024-10-31 22:01:30,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:01:30,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:01:30,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:01:30,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:01:30,730 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:01:30,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:01:30,730 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:01:30,731 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:01:30,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:01:30,731 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:01:30,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:01:30,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:01:30 BoogieIcfgContainer [2024-10-31 22:01:30,739 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:01:30,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:01:30,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:01:30,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:01:30,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:18" (3/4) ... [2024-10-31 22:01:30,745 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:01:30,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:01:30,747 INFO L158 Benchmark]: Toolchain (without parser) took 13717.92ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 118.9MB in the beginning and 76.8MB in the end (delta: 42.1MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,748 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:30,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.51ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 114.8MB in the end (delta: 3.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.13ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 112.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:30,749 INFO L158 Benchmark]: Boogie Preprocessor took 71.68ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,749 INFO L158 Benchmark]: RCFGBuilder took 493.59ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 97.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,750 INFO L158 Benchmark]: BuchiAutomizer took 12217.65ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 96.7MB in the beginning and 77.9MB in the end (delta: 18.9MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,750 INFO L158 Benchmark]: Witness Printer took 7.16ms. Allocated memory is still 226.5MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:30,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.51ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 114.8MB in the end (delta: 3.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.13ms. Allocated memory is still 155.2MB. Free memory was 114.4MB in the beginning and 112.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.68ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.59ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 97.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 12217.65ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 96.7MB in the beginning and 77.9MB in the end (delta: 18.9MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Witness Printer took 7.16ms. Allocated memory is still 226.5MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!offset * 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, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 91 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital218 mio100 ax100 hnf100 lsp97 ukn72 mio100 lsp27 div100 bol100 ite100 ukn100 eq152 hnf92 smp100 dnf146 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 164ms VariablesStem: 5 VariablesLoop: 3 DisjunctsStem: 4 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 72 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 22:01:30,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 22:01:30,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5b677b-c55c-4091-a60b-598cc374be5f/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