./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.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_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB --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 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:07:56,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:07:56,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:07:56,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:07:56,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:07:56,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:07:56,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:07:56,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:07:56,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:07:56,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:07:56,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:07:56,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:07:56,694 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:07:56,694 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:07:56,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:07:56,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:07:56,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:07:56,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:07:56,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:07:56,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:07:56,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:07:56,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:07:56,697 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:07:56,698 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_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc [2024-11-27 20:07:57,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:07:57,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:07:57,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:07:57,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:07:57,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:07:57,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2024-11-27 20:08:00,910 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/data/14d3a58a8/4ebbd52f4c9d4a7fb1e46625fd06199b/FLAGb6dba2b91 [2024-11-27 20:08:01,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:01,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2024-11-27 20:08:01,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/data/14d3a58a8/4ebbd52f4c9d4a7fb1e46625fd06199b/FLAGb6dba2b91 [2024-11-27 20:08:01,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/data/14d3a58a8/4ebbd52f4c9d4a7fb1e46625fd06199b [2024-11-27 20:08:01,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:01,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:01,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:01,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:01,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:01,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:01,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25854ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01, skipping insertion in model container [2024-11-27 20:08:01,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:01,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:01,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:01,868 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:01,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:01,955 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:01,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01 WrapperNode [2024-11-27 20:08:01,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:01,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:01,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:01,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:01,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:01,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,017 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-27 20:08:02,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:02,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:02,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:02,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:02,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,060 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-11-27 20:08:02,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:02,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:02,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:02,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:02,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (1/1) ... [2024-11-27 20:08:02,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:02,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:02,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:08:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:08:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:08:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:08:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:02,319 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:02,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:02,511 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:02,511 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:02,526 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:02,526 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:08:02,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:02 BoogieIcfgContainer [2024-11-27 20:08:02,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:02,527 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:08:02,528 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:08:02,535 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:08:02,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:08:02,536 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:08:01" (1/3) ... [2024-11-27 20:08:02,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cfd096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:08:02, skipping insertion in model container [2024-11-27 20:08:02,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:08:02,538 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:01" (2/3) ... [2024-11-27 20:08:02,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cfd096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:08:02, skipping insertion in model container [2024-11-27 20:08:02,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:08:02,538 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:02" (3/3) ... [2024-11-27 20:08:02,540 INFO L363 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2024-11-27 20:08:02,605 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:08:02,605 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:08:02,605 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:08:02,607 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:08:02,607 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:08:02,607 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:08:02,607 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:08:02,608 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:08:02,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-27 20:08:02,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-27 20:08:02,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:08:02,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:08:02,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-27 20:08:02,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:08:02,649 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:08:02,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2024-11-27 20:08:02,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2024-11-27 20:08:02,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:08:02,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:08:02,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-27 20:08:02,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:08:02,663 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" [2024-11-27 20:08:02,663 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" [2024-11-27 20:08:02,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-11-27 20:08:02,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049141707] [2024-11-27 20:08:02,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:02,813 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:02,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:02,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:02,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1445, now seen corresponding path program 1 times [2024-11-27 20:08:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391447136] [2024-11-27 20:08:02,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:02,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:02,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash 889568393, now seen corresponding path program 1 times [2024-11-27 20:08:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:02,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465580323] [2024-11-27 20:08:02,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:02,955 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:03,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:03,494 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:08:03,495 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:08:03,495 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:08:03,495 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:08:03,496 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:08:03,496 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:03,496 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:08:03,496 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:08:03,497 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2024-11-27 20:08:03,497 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:08:03,498 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:08:03,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:03,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:04,275 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:08:04,281 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:08:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:04,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:04,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:08:04,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:08:04,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:04,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:04,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:04,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:04,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:04,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:04,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:04,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:04,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 20:08:04,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:04,340 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:08:04,347 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 [2024-11-27 20:08:04,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:04,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:04,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:04,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:04,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:04,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:04,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:04,376 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:04,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:04,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:04,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:04,397 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 [2024-11-27 20:08:04,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:08:04,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:04,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:04,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:04,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:04,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:08:04,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:08:04,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:08:04,490 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-27 20:08:04,494 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-27 20:08:04,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:04,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:04,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:04,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:08:04,504 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:08:04,529 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:08:04,529 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:08:04,530 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2024-11-27 20:08:04,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:04,558 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-27 20:08:04,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:04,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:08:04,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:04,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:08:04,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:04,726 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 [2024-11-27 20:08:04,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:04,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 6 states. [2024-11-27 20:08:04,801 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 [2024-11-27 20:08:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2024-11-27 20:08:04,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-27 20:08:04,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:04,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-27 20:08:04,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:04,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-27 20:08:04,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:04,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2024-11-27 20:08:04,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 20:08:04,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 13 states and 17 transitions. [2024-11-27 20:08:04,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-27 20:08:04,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 20:08:04,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-11-27 20:08:04,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:08:04,835 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-27 20:08:04,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-11-27 20:08:04,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-27 20:08:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-11-27 20:08:04,868 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-27 20:08:04,868 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-27 20:08:04,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:08:04,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-11-27 20:08:04,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 20:08:04,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:08:04,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:08:04,872 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:08:04,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-27 20:08:04,873 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0;" [2024-11-27 20:08:04,873 INFO L749 eck$LassoCheckResult]: Loop: "call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume 0 != cstrreplace_#t~mem2#1;havoc cstrreplace_#t~mem2#1;" "call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1;" "cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset;" [2024-11-27 20:08:04,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash 889568459, now seen corresponding path program 1 times [2024-11-27 20:08:04,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:04,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553216242] [2024-11-27 20:08:04,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:04,917 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:04,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:04,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:04,945 INFO L85 PathProgramCache]: Analyzing trace with hash 54491810, now seen corresponding path program 1 times [2024-11-27 20:08:04,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:04,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520055384] [2024-11-27 20:08:04,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:04,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:04,957 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:04,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:04,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1361194008, now seen corresponding path program 1 times [2024-11-27 20:08:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:04,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717276136] [2024-11-27 20:08:04,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:04,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:05,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 20:08:05,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:08:05,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717276136] [2024-11-27 20:08:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717276136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:05,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413479722] [2024-11-27 20:08:05,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:05,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:05,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:05,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:05,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:08:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:05,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 20:08:05,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:05,952 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 [2024-11-27 20:08:05,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:06,004 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 [2024-11-27 20:08:06,012 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 [2024-11-27 20:08:06,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413479722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:06,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:06,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-11-27 20:08:06,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905485353] [2024-11-27 20:08:06,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:06,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:08:06,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:08:06,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:08:06,236 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:06,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:06,450 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2024-11-27 20:08:06,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2024-11-27 20:08:06,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 20:08:06,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 14 states and 16 transitions. [2024-11-27 20:08:06,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 20:08:06,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-27 20:08:06,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-11-27 20:08:06,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:08:06,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-27 20:08:06,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-11-27 20:08:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-27 20:08:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-27 20:08:06,457 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-27 20:08:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:08:06,460 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-27 20:08:06,460 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:08:06,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-11-27 20:08:06,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-27 20:08:06,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:08:06,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:08:06,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:06,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-27 20:08:06,461 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~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;" "assume !(main_~length1~0#1 < 1);" "call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0;" [2024-11-27 20:08:06,461 INFO L749 eck$LassoCheckResult]: Loop: "call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume 0 != cstrreplace_#t~mem2#1;havoc cstrreplace_#t~mem2#1;" "call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);" "assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1;" "cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset;" [2024-11-27 20:08:06,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:06,462 INFO L85 PathProgramCache]: Analyzing trace with hash 176734319, now seen corresponding path program 1 times [2024-11-27 20:08:06,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:06,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453637555] [2024-11-27 20:08:06,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:06,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,500 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:06,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:06,529 INFO L85 PathProgramCache]: Analyzing trace with hash 54491810, now seen corresponding path program 2 times [2024-11-27 20:08:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:06,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656887969] [2024-11-27 20:08:06,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,541 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:06,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:06,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1411133708, now seen corresponding path program 1 times [2024-11-27 20:08:06,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:08:06,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017222384] [2024-11-27 20:08:06,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:06,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:08:07,420 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:08:07,421 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:08:07,421 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:08:07,421 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:08:07,421 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:08:07,421 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:07,421 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:08:07,421 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:08:07,422 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2024-11-27 20:08:07,422 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:08:07,422 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:08:07,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:07,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:08:08,177 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:08:08,177 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:08:08,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:08:08,186 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 [2024-11-27 20:08:08,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,227 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,230 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 [2024-11-27 20:08:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:08:08,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:08:08,272 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 [2024-11-27 20:08:08,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,299 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:08:08,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:08:08,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-27 20:08:08,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,335 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:08:08,338 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 [2024-11-27 20:08:08,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 20:08:08,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,367 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:08:08,370 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 [2024-11-27 20:08:08,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,396 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,407 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:08:08,410 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 [2024-11-27 20:08:08,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:08:08,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:08:08,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 20:08:08,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,452 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:08:08,457 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 [2024-11-27 20:08:08,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,480 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,495 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:08:08,500 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 [2024-11-27 20:08:08,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,542 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,544 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 [2024-11-27 20:08:08,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:08:08,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:08:08,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:08:08,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:08:08,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:08:08,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:08:08,593 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 [2024-11-27 20:08:08,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:08:08,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:08:08,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:08:08,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:08:08,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:08:08,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:08:08,633 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:08:08,680 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-27 20:08:08,680 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 20:08:08,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:08:08,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:08,685 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:08,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 20:08:08,688 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:08:08,712 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:08:08,712 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:08:08,712 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrreplace_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2) = -1*ULTIMATE.start_cstrreplace_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_2 Supporting invariants [] [2024-11-27 20:08:08,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:08,741 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-27 20:08:08,745 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-27 20:08:08,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:08:08,746 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:08:08,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:08,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:08:08,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:08,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:08:08,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:08,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 20:08:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:08,976 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-27 20:08:08,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:09,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 22 transitions. Complement of second has 5 states. [2024-11-27 20:08:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:08:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-27 20:08:09,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 5 letters. [2024-11-27 20:08:09,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:09,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 13 letters. Loop has 5 letters. [2024-11-27 20:08:09,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:09,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 10 letters. [2024-11-27 20:08:09,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:08:09,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-11-27 20:08:09,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:08:09,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-11-27 20:08:09,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:08:09,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:08:09,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:08:09,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:08:09,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:08:09,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:08:09,063 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:08:09,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 20:08:09,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:08:09,063 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:08:09,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:08:09,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:08:09 BoogieIcfgContainer [2024-11-27 20:08:09,080 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:08:09,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:08:09,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:08:09,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:08:09,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:02" (3/4) ... [2024-11-27 20:08:09,085 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:08:09,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:08:09,088 INFO L158 Benchmark]: Toolchain (without parser) took 7693.38ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.8MB in the end (delta: 13.1MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:09,089 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:09,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.45ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:08:09,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:09,091 INFO L158 Benchmark]: Boogie Preprocessor took 76.97ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:09,093 INFO L158 Benchmark]: RCFGBuilder took 430.57ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 61.3MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:08:09,094 INFO L158 Benchmark]: BuchiAutomizer took 6552.72ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 79.7MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:09,094 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:09,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.45ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.97ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.57ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 61.3MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6552.72ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 79.7MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.8MB in the end (delta: 809.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length1 + ((long long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 22 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital122 mio100 ax115 hnf100 lsp94 ukn68 mio100 lsp44 div138 bol100 ite100 ukn100 eq169 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 140ms VariablesStem: 7 VariablesLoop: 6 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! [2024-11-27 20:08:09,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:08:09,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3b02fc-57a6-45b3-988e-27c0c6ec04f8/bin/uautomizer-verify-aQ6SnzHsRB/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