./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:19:25,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:19:25,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 07:19:25,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:19:25,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:19:25,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:19:25,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:19:25,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:19:25,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:19:25,675 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:19:25,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:19:25,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:19:25,675 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:19:25,675 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 07:19:25,675 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 07:19:25,675 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 07:19:25,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 07:19:25,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:19:25,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:19:25,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:19:25,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 07:19:25,678 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 07:19:25,678 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2024-12-02 07:19:25,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:19:25,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:19:25,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:19:25,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:19:25,914 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:19:25,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2024-12-02 07:19:28,618 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/data/d920a4887/ae9487bd5bff412bbcd5c90ea9f005c2/FLAG3983c30e8 [2024-12-02 07:19:28,861 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:19:28,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2024-12-02 07:19:28,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/data/d920a4887/ae9487bd5bff412bbcd5c90ea9f005c2/FLAG3983c30e8 [2024-12-02 07:19:29,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/data/d920a4887/ae9487bd5bff412bbcd5c90ea9f005c2 [2024-12-02 07:19:29,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:19:29,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:19:29,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:19:29,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:19:29,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:19:29,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca7c743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29, skipping insertion in model container [2024-12-02 07:19:29,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:19:29,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:19:29,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:19:29,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:19:29,512 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:19:29,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29 WrapperNode [2024-12-02 07:19:29,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:19:29,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:19:29,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:19:29,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:19:29,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,544 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-12-02 07:19:29,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:19:29,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:19:29,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:19:29,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:19:29,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,566 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [4, 4]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 6 writes are split as follows [4, 2]. [2024-12-02 07:19:29,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:19:29,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:19:29,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:19:29,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:19:29,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (1/1) ... [2024-12-02 07:19:29,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:29,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:29,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 07:19:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:19:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:19:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:19:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:19:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:19:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:19:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:19:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:19:29,710 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:19:29,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:19:29,849 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-02 07:19:29,849 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:19:29,857 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:19:29,858 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 07:19:29,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:29 BoogieIcfgContainer [2024-12-02 07:19:29,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:19:29,859 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 07:19:29,859 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 07:19:29,864 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 07:19:29,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:19:29,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 07:19:29" (1/3) ... [2024-12-02 07:19:29,866 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c349778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:19:29, skipping insertion in model container [2024-12-02 07:19:29,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:19:29,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:29" (2/3) ... [2024-12-02 07:19:29,867 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c349778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:19:29, skipping insertion in model container [2024-12-02 07:19:29,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:19:29,867 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:29" (3/3) ... [2024-12-02 07:19:29,868 INFO L363 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-1.i [2024-12-02 07:19:29,912 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 07:19:29,912 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 07:19:29,912 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 07:19:29,912 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 07:19:29,912 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 07:19:29,912 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 07:19:29,913 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 07:19:29,913 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 07:19:29,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2024-12-02 07:19:29,933 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2024-12-02 07:19:29,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:29,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:29,939 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 07:19:29,939 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:29,939 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 07:19:29,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 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) [2024-12-02 07:19:29,941 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2024-12-02 07:19:29,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:29,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:29,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 07:19:29,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:29,948 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume !(main_~n~1#1 < 1);" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" [2024-12-02 07:19:29,948 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~length~0#1 - 1;" "havoc main_#t~nondet12#1;call write~int#1(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;" [2024-12-02 07:19:29,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-12-02 07:19:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:29,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041040113] [2024-12-02 07:19:29,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,036 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:30,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1637, now seen corresponding path program 1 times [2024-12-02 07:19:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006976638] [2024-12-02 07:19:30,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,072 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:30,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935658, now seen corresponding path program 1 times [2024-12-02 07:19:30,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:30,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139795346] [2024-12-02 07:19:30,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:30,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,107 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:30,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:30,477 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 07:19:30,477 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 07:19:30,477 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 07:19:30,478 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 07:19:30,478 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 07:19:30,478 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:30,478 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 07:19:30,478 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 07:19:30,478 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration1_Lasso [2024-12-02 07:19:30,478 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 07:19:30,478 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 07:19:30,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:30,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:31,073 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 07:19:31,076 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 07:19:31,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 07:19:31,082 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 [2024-12-02 07:19:31,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:31,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:31,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:31,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 07:19:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 07:19:31,115 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 [2024-12-02 07:19:31,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:31,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:31,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:31,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 07:19:31,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 07:19:31,140 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 [2024-12-02 07:19:31,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:31,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:31,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:31,153 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 07:19:31,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,160 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 07:19:31,163 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 [2024-12-02 07:19:31,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:31,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:31,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:31,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 07:19:31,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 07:19:31,192 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 [2024-12-02 07:19:31,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,214 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 07:19:31,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,224 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 07:19:31,226 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 [2024-12-02 07:19:31,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 07:19:31,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 07:19:31,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:19:31,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:31,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:31,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:31,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 07:19:31,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,283 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 07:19:31,285 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 [2024-12-02 07:19:31,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,303 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 07:19:31,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 07:19:31,313 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 [2024-12-02 07:19:31,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 07:19:31,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 07:19:31,343 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 [2024-12-02 07:19:31,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 07:19:31,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 07:19:31,377 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 [2024-12-02 07:19:31,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:31,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-12-02 07:19:31,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,401 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 07:19:31,404 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 [2024-12-02 07:19:31,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:31,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:31,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:31,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:31,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:31,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:31,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 07:19:31,465 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-12-02 07:19:31,468 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-12-02 07:19:31,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:31,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:31,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 07:19:31,472 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 07:19:31,484 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 07:19:31,484 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 07:19:31,485 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 07:19:31,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 07:19:31,509 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 07:19:31,516 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 07:19:31,516 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 07:19:31,516 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~nondetString2~0!offset [2024-12-02 07:19:31,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:31,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:19:31,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:31,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:19:31,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:31,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:19:31,613 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-12-02 07:19:31,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 07:19:31,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 45 states and 70 transitions. Complement of second has 6 states. [2024-12-02 07:19:31,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 07:19:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 07:19:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-12-02 07:19:31,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2024-12-02 07:19:31,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:31,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 07:19:31,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:31,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2024-12-02 07:19:31,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:31,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 70 transitions. [2024-12-02 07:19:31,663 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-12-02 07:19:31,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 21 states and 32 transitions. [2024-12-02 07:19:31,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-12-02 07:19:31,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-12-02 07:19:31,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 32 transitions. [2024-12-02 07:19:31,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:31,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-12-02 07:19:31,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 32 transitions. [2024-12-02 07:19:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-12-02 07:19:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 20 states have internal predecessors, (32), 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) [2024-12-02 07:19:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2024-12-02 07:19:31,684 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-12-02 07:19:31,684 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2024-12-02 07:19:31,684 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 07:19:31,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2024-12-02 07:19:31,685 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-12-02 07:19:31,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:31,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:31,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:31,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:31,685 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume !(main_~n~1#1 < 1);" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" [2024-12-02 07:19:31,685 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 < main_~n~1#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" [2024-12-02 07:19:31,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:31,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935724, now seen corresponding path program 1 times [2024-12-02 07:19:31,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:31,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739848191] [2024-12-02 07:19:31,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:31,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:31,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2085, now seen corresponding path program 1 times [2024-12-02 07:19:31,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:31,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318641826] [2024-12-02 07:19:31,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:31,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,715 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:31,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:31,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1298444304, now seen corresponding path program 1 times [2024-12-02 07:19:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714050716] [2024-12-02 07:19:31,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:31,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:32,039 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 07:19:32,040 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 07:19:32,040 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 07:19:32,040 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 07:19:32,040 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 07:19:32,040 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,040 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 07:19:32,040 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 07:19:32,040 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration2_Lasso [2024-12-02 07:19:32,040 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 07:19:32,040 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 07:19:32,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:32,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 07:19:32,446 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 07:19:32,446 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 07:19:32,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,448 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 07:19:32,450 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 [2024-12-02 07:19:32,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,464 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 07:19:32,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,472 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 07:19:32,474 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 [2024-12-02 07:19:32,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,488 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 07:19:32,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,495 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 07:19:32,498 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 [2024-12-02 07:19:32,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,516 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 07:19:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,523 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 07:19:32,525 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 [2024-12-02 07:19:32,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 07:19:32,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,545 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 07:19:32,548 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 [2024-12-02 07:19:32,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 07:19:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,570 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 07:19:32,573 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 [2024-12-02 07:19:32,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 07:19:32,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,599 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 07:19:32,602 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 [2024-12-02 07:19:32,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,618 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 07:19:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,628 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 07:19:32,630 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 [2024-12-02 07:19:32,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 07:19:32,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,656 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 07:19:32,659 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 [2024-12-02 07:19:32,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,678 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 07:19:32,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,688 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 07:19:32,691 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 [2024-12-02 07:19:32,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,710 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 07:19:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,718 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 07:19:32,720 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 [2024-12-02 07:19:32,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 07:19:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,743 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 07:19:32,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:19:32,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,761 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 07:19:32,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,768 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 07:19:32,770 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 [2024-12-02 07:19:32,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 07:19:32,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,790 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 07:19:32,792 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 [2024-12-02 07:19:32,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 07:19:32,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,811 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 07:19:32,813 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 [2024-12-02 07:19:32,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:32,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:32,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:32,826 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 07:19:32,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,833 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 07:19:32,834 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 [2024-12-02 07:19:32,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 07:19:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,856 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 07:19:32,858 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 [2024-12-02 07:19:32,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:32,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 07:19:32,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,888 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 07:19:32,890 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 [2024-12-02 07:19:32,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:32,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:32,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:32,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:32,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:32,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:32,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 07:19:32,937 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-12-02 07:19:32,937 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-12-02 07:19:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:32,939 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 07:19:32,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 07:19:32,953 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 07:19:32,953 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 07:19:32,953 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~1#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~n~1#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-12-02 07:19:32,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 07:19:32,971 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 07:19:32,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:32,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:19:32,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:33,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:19:33,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:19:33,021 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 [2024-12-02 07:19:33,021 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-12-02 07:19:33,043 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 32 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 33 states and 52 transitions. Complement of second has 6 states. [2024-12-02 07:19:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 07:19:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-12-02 07:19:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2024-12-02 07:19:33,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 7 letters. Loop has 2 letters. [2024-12-02 07:19:33,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:33,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 9 letters. Loop has 2 letters. [2024-12-02 07:19:33,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:33,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 7 letters. Loop has 4 letters. [2024-12-02 07:19:33,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:33,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 52 transitions. [2024-12-02 07:19:33,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:33,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 22 states and 33 transitions. [2024-12-02 07:19:33,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-12-02 07:19:33,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-12-02 07:19:33,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 33 transitions. [2024-12-02 07:19:33,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:33,048 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-12-02 07:19:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 33 transitions. [2024-12-02 07:19:33,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-12-02 07:19:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.5) internal successors, (33), 21 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) [2024-12-02 07:19:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2024-12-02 07:19:33,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-12-02 07:19:33,050 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 33 transitions. [2024-12-02 07:19:33,050 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 07:19:33,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 33 transitions. [2024-12-02 07:19:33,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:33,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:33,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:33,052 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:33,052 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 07:19:33,052 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume !(main_~n~1#1 < 1);" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume 0 != cstrlcpy_~n~0#1 % 4294967296;" [2024-12-02 07:19:33,052 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1;" "assume 0 != cstrlcpy_#t~pre2#1 % 4294967296;havoc cstrlcpy_#t~pre2#1;" "cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int#1(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int#0(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1);" "assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1;" [2024-12-02 07:19:33,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:33,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1597069852, now seen corresponding path program 1 times [2024-12-02 07:19:33,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:33,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656567067] [2024-12-02 07:19:33,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:33,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:33,073 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:33,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:33,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:33,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2465833, now seen corresponding path program 1 times [2024-12-02 07:19:33,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:33,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119737378] [2024-12-02 07:19:33,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:33,100 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:33,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:33,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1419146436, now seen corresponding path program 1 times [2024-12-02 07:19:33,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:33,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628268570] [2024-12-02 07:19:33,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:33,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:19:33,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628268570] [2024-12-02 07:19:33,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628268570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:19:33,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026484577] [2024-12-02 07:19:33,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:19:33,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:33,321 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:19:33,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-12-02 07:19:33,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-12-02 07:19:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:33,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 07:19:33,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:33,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 07:19:33,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:19:33,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-12-02 07:19:33,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-12-02 07:19:33,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026484577] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:19:33,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:19:33,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-12-02 07:19:33,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145703429] [2024-12-02 07:19:33,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:19:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:19:33,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 07:19:33,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:19:33,675 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. cyclomatic complexity: 15 Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 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) [2024-12-02 07:19:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:33,936 INFO L93 Difference]: Finished difference Result 64 states and 86 transitions. [2024-12-02 07:19:33,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 86 transitions. [2024-12-02 07:19:33,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:33,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 64 states and 86 transitions. [2024-12-02 07:19:33,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2024-12-02 07:19:33,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2024-12-02 07:19:33,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 86 transitions. [2024-12-02 07:19:33,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:33,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 86 transitions. [2024-12-02 07:19:33,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 86 transitions. [2024-12-02 07:19:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 47. [2024-12-02 07:19:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 46 states have internal predecessors, (66), 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) [2024-12-02 07:19:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-12-02 07:19:33,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-12-02 07:19:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 07:19:33,943 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-12-02 07:19:33,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 07:19:33,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 66 transitions. [2024-12-02 07:19:33,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:33,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:33,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:33,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:33,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:33,945 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume main_~length~0#1 < 1;main_~length~0#1 := 1;" "assume main_~n~1#1 < 1;main_~n~1#1 := 1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume 0 != cstrlcpy_~n~0#1 % 4294967296;" "cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1;" "assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;" "assume 0 == cstrlcpy_~n~0#1 % 4294967296;" "assume !(0 != cstrlcpy_~siz#1 % 4294967296);" [2024-12-02 07:19:33,945 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1);" "assume 0 != cstrlcpy_#t~mem7#1;havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1;" [2024-12-02 07:19:33,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:33,945 INFO L85 PathProgramCache]: Analyzing trace with hash 459918790, now seen corresponding path program 1 times [2024-12-02 07:19:33,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:33,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399562610] [2024-12-02 07:19:33,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:33,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:34,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:19:34,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399562610] [2024-12-02 07:19:34,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399562610] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:19:34,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527831844] [2024-12-02 07:19:34,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:19:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:34,033 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:19:34,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-12-02 07:19:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:34,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 07:19:34,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:34,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:19:34,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527831844] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:19:34,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:19:34,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 3] total 7 [2024-12-02 07:19:34,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395910825] [2024-12-02 07:19:34,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:19:34,155 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 07:19:34,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash 3524, now seen corresponding path program 1 times [2024-12-02 07:19:34,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:34,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513885154] [2024-12-02 07:19:34,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,160 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:34,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:19:34,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:19:34,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:19:34,205 INFO L87 Difference]: Start difference. First operand 47 states and 66 transitions. cyclomatic complexity: 26 Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 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) [2024-12-02 07:19:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:34,237 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2024-12-02 07:19:34,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2024-12-02 07:19:34,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:34,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 74 transitions. [2024-12-02 07:19:34,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-12-02 07:19:34,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-12-02 07:19:34,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 74 transitions. [2024-12-02 07:19:34,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:34,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2024-12-02 07:19:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 74 transitions. [2024-12-02 07:19:34,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2024-12-02 07:19:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 48 states have internal predecessors, (68), 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) [2024-12-02 07:19:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2024-12-02 07:19:34,243 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-12-02 07:19:34,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:19:34,243 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-12-02 07:19:34,243 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 07:19:34,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 68 transitions. [2024-12-02 07:19:34,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:34,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:34,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:34,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:34,245 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:34,245 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume main_~length~0#1 < 1;main_~length~0#1 := 1;" "assume main_~n~1#1 < 1;main_~n~1#1 := 1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume 0 != cstrlcpy_~n~0#1 % 4294967296;" "cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1;" "assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;" "assume 0 == cstrlcpy_~n~0#1 % 4294967296;" "assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int#0(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1);" [2024-12-02 07:19:34,245 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1);" "assume 0 != cstrlcpy_#t~mem7#1;havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1;" [2024-12-02 07:19:34,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 459918788, now seen corresponding path program 1 times [2024-12-02 07:19:34,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:34,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290622270] [2024-12-02 07:19:34,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,260 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:34,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:34,274 INFO L85 PathProgramCache]: Analyzing trace with hash 3524, now seen corresponding path program 2 times [2024-12-02 07:19:34,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:34,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691481304] [2024-12-02 07:19:34,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,278 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:34,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:34,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash -399673657, now seen corresponding path program 1 times [2024-12-02 07:19:34,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:34,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209645620] [2024-12-02 07:19:34,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:34,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:19:34,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209645620] [2024-12-02 07:19:34,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209645620] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:19:34,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728834435] [2024-12-02 07:19:34,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:34,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:19:34,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:34,494 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:19:34,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-12-02 07:19:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:34,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 07:19:34,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:34,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 07:19:34,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 07:19:34,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:19:34,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2024-12-02 07:19:34,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:19:34,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-12-02 07:19:34,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2024-12-02 07:19:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728834435] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:19:34,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:19:34,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-12-02 07:19:34,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545772947] [2024-12-02 07:19:34,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:19:34,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:19:34,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:19:34,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:19:34,945 INFO L87 Difference]: Start difference. First operand 49 states and 68 transitions. cyclomatic complexity: 26 Second operand has 10 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 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) [2024-12-02 07:19:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:35,033 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2024-12-02 07:19:35,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 99 transitions. [2024-12-02 07:19:35,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:35,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 58 states and 77 transitions. [2024-12-02 07:19:35,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-12-02 07:19:35,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-12-02 07:19:35,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 77 transitions. [2024-12-02 07:19:35,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:35,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 77 transitions. [2024-12-02 07:19:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 77 transitions. [2024-12-02 07:19:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-12-02 07:19:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 56 states have internal predecessors, (76), 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) [2024-12-02 07:19:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2024-12-02 07:19:35,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 76 transitions. [2024-12-02 07:19:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:19:35,040 INFO L425 stractBuchiCegarLoop]: Abstraction has 57 states and 76 transitions. [2024-12-02 07:19:35,040 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 07:19:35,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 76 transitions. [2024-12-02 07:19:35,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:35,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:35,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:35,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:35,042 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:35,042 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume main_~n~1#1 < 1;main_~n~1#1 := 1;" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume 0 != cstrlcpy_~n~0#1 % 4294967296;" "cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1;" "assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;" "assume 0 == cstrlcpy_~n~0#1 % 4294967296;" "assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int#0(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1);" [2024-12-02 07:19:35,043 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1);" "assume 0 != cstrlcpy_#t~mem7#1;havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1;" [2024-12-02 07:19:35,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,043 INFO L85 PathProgramCache]: Analyzing trace with hash 718084226, now seen corresponding path program 1 times [2024-12-02 07:19:35,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564012656] [2024-12-02 07:19:35,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,068 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:35,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,084 INFO L85 PathProgramCache]: Analyzing trace with hash 3524, now seen corresponding path program 3 times [2024-12-02 07:19:35,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62495697] [2024-12-02 07:19:35,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,089 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:35,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1410790907, now seen corresponding path program 1 times [2024-12-02 07:19:35,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128787929] [2024-12-02 07:19:35,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:35,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:19:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128787929] [2024-12-02 07:19:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128787929] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:19:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927080735] [2024-12-02 07:19:35,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:19:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:35,356 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:19:35,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-12-02 07:19:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:35,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:19:35,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:35,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 07:19:35,580 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 07:19:35,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:19:35,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 07:19:35,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:19:35,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-12-02 07:19:35,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-12-02 07:19:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927080735] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:19:35,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:19:35,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-12-02 07:19:35,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572983711] [2024-12-02 07:19:35,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:19:35,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:19:35,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:19:35,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:19:35,713 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. cyclomatic complexity: 27 Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 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) [2024-12-02 07:19:35,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:35,790 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2024-12-02 07:19:35,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 101 transitions. [2024-12-02 07:19:35,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:35,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 69 states and 85 transitions. [2024-12-02 07:19:35,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2024-12-02 07:19:35,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2024-12-02 07:19:35,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 85 transitions. [2024-12-02 07:19:35,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:35,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 85 transitions. [2024-12-02 07:19:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 85 transitions. [2024-12-02 07:19:35,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 49. [2024-12-02 07:19:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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) [2024-12-02 07:19:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2024-12-02 07:19:35,796 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-12-02 07:19:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 07:19:35,797 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-12-02 07:19:35,798 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-12-02 07:19:35,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 63 transitions. [2024-12-02 07:19:35,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-12-02 07:19:35,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:35,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:35,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:35,799 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 07:19:35,799 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume !(main_~n~1#1 < 1);" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1 - 1;" "havoc main_#t~nondet12#1;call write~int#1(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~n~1#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume 0 != cstrlcpy_~n~0#1 % 4294967296;" [2024-12-02 07:19:35,799 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1;" "assume 0 != cstrlcpy_#t~pre2#1 % 4294967296;havoc cstrlcpy_#t~pre2#1;" "cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int#1(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int#0(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1);" "assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1;" [2024-12-02 07:19:35,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1888645996, now seen corresponding path program 1 times [2024-12-02 07:19:35,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221615403] [2024-12-02 07:19:35,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:35,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2465833, now seen corresponding path program 2 times [2024-12-02 07:19:35,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902630008] [2024-12-02 07:19:35,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,840 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:35,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:35,846 INFO L85 PathProgramCache]: Analyzing trace with hash -838554820, now seen corresponding path program 1 times [2024-12-02 07:19:35,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:35,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748701841] [2024-12-02 07:19:35,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,867 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:35,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:36,802 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 07:19:36,802 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 07:19:36,802 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 07:19:36,802 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 07:19:36,802 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 07:19:36,802 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:36,802 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 07:19:36,802 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 07:19:36,802 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration7_Lasso [2024-12-02 07:19:36,802 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 07:19:36,802 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 07:19:36,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:36,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:36,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:36,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:19:37,518 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 07:19:37,519 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 07:19:37,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,521 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-12-02 07:19:37,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:19:37,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:37,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:37,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:37,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:37,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:37,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:37,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:37,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:37,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-12-02 07:19:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,543 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-12-02 07:19:37,545 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 [2024-12-02 07:19:37,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:37,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:37,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:37,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:37,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:37,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:37,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:37,558 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:37,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-12-02 07:19:37,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,565 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-12-02 07:19:37,567 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 [2024-12-02 07:19:37,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:37,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:37,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:37,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:37,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:37,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:37,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:37,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:37,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-12-02 07:19:37,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,586 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-12-02 07:19:37,588 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 [2024-12-02 07:19:37,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:37,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:19:37,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:37,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:37,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:37,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:19:37,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:19:37,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:19:37,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-12-02 07:19:37,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,607 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-12-02 07:19:37,609 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 [2024-12-02 07:19:37,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:19:37,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:19:37,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:19:37,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:19:37,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:19:37,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:19:37,631 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 07:19:37,641 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-12-02 07:19:37,642 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-12-02 07:19:37,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:19:37,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,643 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-12-02 07:19:37,645 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 07:19:37,657 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 07:19:37,657 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 07:19:37,657 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrlcpy_~s~0#1.offset Supporting invariants [] [2024-12-02 07:19:37,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-12-02 07:19:37,690 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-12-02 07:19:37,692 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 07:19:37,692 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 07:19:37,692 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-12-02 07:19:37,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:37,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 07:19:37,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:37,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 07:19:37,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:19:37,810 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-12-02 07:19:37,810 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 21 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:19:37,844 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 21. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 83 transitions. Complement of second has 6 states. [2024-12-02 07:19:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 07:19:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:19:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2024-12-02 07:19:37,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 4 letters. [2024-12-02 07:19:37,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:37,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 18 letters. Loop has 4 letters. [2024-12-02 07:19:37,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:37,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 8 letters. [2024-12-02 07:19:37,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:19:37,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions. [2024-12-02 07:19:37,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 07:19:37,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 18 states and 21 transitions. [2024-12-02 07:19:37,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-12-02 07:19:37,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-12-02 07:19:37,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2024-12-02 07:19:37,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:37,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-12-02 07:19:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2024-12-02 07:19:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-12-02 07:19:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2024-12-02 07:19:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-12-02 07:19:37,849 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-12-02 07:19:37,849 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-12-02 07:19:37,849 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-12-02 07:19:37,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-12-02 07:19:37,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-12-02 07:19:37,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:19:37,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:19:37,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:37,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 07:19:37,850 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~post13#1, main_~i~0#1, main_#t~nondet14#1, main_#t~post15#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;" "assume !(main_~length~0#1 < 1);" "assume !(main_~n~1#1 < 1);" "call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length~0#1 - 1;" "havoc main_#t~nondet12#1;call write~int#1(main_#t~nondet12#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet12#1;main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post13#1;havoc main_#t~post13#1;" "assume !(main_~i~0#1 < main_~length~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~n~1#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~1#1 < main_~n~1#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~pre2#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1;" "assume !(0 != cstrlcpy_~n~0#1 % 4294967296);" "assume 0 == cstrlcpy_~n~0#1 % 4294967296;" "assume !(0 != cstrlcpy_~siz#1 % 4294967296);" [2024-12-02 07:19:37,850 INFO L749 eck$LassoCheckResult]: Loop: "cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int#1(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1);" "assume 0 != cstrlcpy_#t~mem7#1;havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1;" [2024-12-02 07:19:37,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1782386510, now seen corresponding path program 1 times [2024-12-02 07:19:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665540448] [2024-12-02 07:19:37,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:37,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-12-02 07:19:37,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:19:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665540448] [2024-12-02 07:19:37,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665540448] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:19:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418229117] [2024-12-02 07:19:37,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:37,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:19:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:19:37,975 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:19:37,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-12-02 07:19:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:38,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 07:19:38,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:19:38,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-12-02 07:19:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 07:19:38,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-02 07:19:38,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 07:19:38,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:19:38,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418229117] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:19:38,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:19:38,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 15 [2024-12-02 07:19:38,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036207615] [2024-12-02 07:19:38,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:19:38,303 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 07:19:38,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:38,303 INFO L85 PathProgramCache]: Analyzing trace with hash 3524, now seen corresponding path program 4 times [2024-12-02 07:19:38,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:19:38,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242702211] [2024-12-02 07:19:38,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:38,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:38,307 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:19:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:19:38,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:19:38,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:19:38,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 07:19:38,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:19:38,348 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 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) [2024-12-02 07:19:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:38,436 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-12-02 07:19:38,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2024-12-02 07:19:38,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 07:19:38,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-12-02 07:19:38,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 07:19:38,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 07:19:38,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 07:19:38,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:19:38,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:19:38,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:19:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:19:38,437 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:19:38,437 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-12-02 07:19:38,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:19:38,437 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 07:19:38,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 07:19:38,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 07:19:38 BoogieIcfgContainer [2024-12-02 07:19:38,444 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 07:19:38,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:19:38,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:19:38,444 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:19:38,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:29" (3/4) ... [2024-12-02 07:19:38,446 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:19:38,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:19:38,448 INFO L158 Benchmark]: Toolchain (without parser) took 9259.23ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 115.8MB in the beginning and 208.5MB in the end (delta: -92.7MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2024-12-02 07:19:38,448 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:19:38,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.01ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 98.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:19:38,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.36ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:19:38,449 INFO L158 Benchmark]: Boogie Preprocessor took 33.25ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:19:38,449 INFO L158 Benchmark]: RCFGBuilder took 279.13ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 81.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:19:38,449 INFO L158 Benchmark]: BuchiAutomizer took 8585.00ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 81.1MB in the beginning and 208.6MB in the end (delta: -127.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-12-02 07:19:38,449 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 318.8MB. Free memory was 208.6MB in the beginning and 208.5MB in the end (delta: 41.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:19:38,451 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 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.01ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 98.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.36ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.25ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.13ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 81.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8585.00ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 81.1MB in the beginning and 208.6MB in the end (delta: -127.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 318.8MB. Free memory was 208.6MB in the beginning and 208.5MB in the end (delta: 41.3kB). Peak memory consumption was 8.4MB. 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: ~nondetString2~0!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: ~s~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (n + ((long long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 7.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 44 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 261 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 635 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 506 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 391 IncrementalHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 129 mSDtfsCounter, 391 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax112 hnf100 lsp83 ukn77 mio100 lsp39 div175 bol100 ite100 ukn100 eq155 hnf94 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 07:19:38,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-12-02 07:19:38,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-12-02 07:19:38,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-12-02 07:19:39,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-12-02 07:19:39,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-12-02 07:19:39,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54774386-b7a0-447f-81d2-4a601b2c0c3e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE