./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/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_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/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 64bit --witnessprinter.graph.data.programhash 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:22:16,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:22:16,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:22:16,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:22:16,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:22:16,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:22:16,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:22:16,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:22:16,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:22:16,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:22:16,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:22:16,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:22:16,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:22:16,803 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:22:16,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:22:16,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:22:16,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:22:16,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:22:16,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:16,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:22:16,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:22:16,806 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:22:16,806 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_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041376d57652038a5d4ee57a004231861ab6efac51c30f8b6c72783e60a27529 [2024-11-28 02:22:17,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:22:17,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:22:17,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:22:17,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:22:17,113 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:22:17,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-11-28 02:22:20,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/data/ca7fb0ed9/502ff0d5dc7c4d1396a0b313bebc0779/FLAG9fb3a326a [2024-11-28 02:22:20,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:20,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/sv-benchmarks/c/termination-memory-alloca/Urban-2013WST-Fig2-alloca-2.i [2024-11-28 02:22:20,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/data/ca7fb0ed9/502ff0d5dc7c4d1396a0b313bebc0779/FLAG9fb3a326a [2024-11-28 02:22:20,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/data/ca7fb0ed9/502ff0d5dc7c4d1396a0b313bebc0779 [2024-11-28 02:22:20,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:20,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:20,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:20,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:20,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:20,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dcbfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20, skipping insertion in model container [2024-11-28 02:22:20,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:22:20,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:20,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:22:20,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:20,939 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:22:20,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20 WrapperNode [2024-11-28 02:22:20,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:20,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:20,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:22:20,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:22:20,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,972 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-28 02:22:20,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:20,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:22:20,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:22:20,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:22:20,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:20,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,003 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [2, 3]. [2024-11-28 02:22:21,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:22:21,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:22:21,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:22:21,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:22:21,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (1/1) ... [2024-11-28 02:22:21,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:21,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:21,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:22:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:22:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:22:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:22:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:22:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:22:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:22:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:22:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:22:21,211 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:22:21,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:22:21,312 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 02:22:21,312 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:22:21,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:22:21,321 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:22:21,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:21 BoogieIcfgContainer [2024-11-28 02:22:21,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:22:21,323 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:22:21,323 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:22:21,330 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:22:21,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:21,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:22:20" (1/3) ... [2024-11-28 02:22:21,333 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f18673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:22:21, skipping insertion in model container [2024-11-28 02:22:21,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:21,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:20" (2/3) ... [2024-11-28 02:22:21,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f18673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:22:21, skipping insertion in model container [2024-11-28 02:22:21,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:22:21,334 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:21" (3/3) ... [2024-11-28 02:22:21,337 INFO L363 chiAutomizerObserver]: Analyzing ICFG Urban-2013WST-Fig2-alloca-2.i [2024-11-28 02:22:21,396 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:22:21,396 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:22:21,396 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:22:21,396 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:22:21,397 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:22:21,397 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:22:21,397 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:22:21,398 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:22:21,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2024-11-28 02:22:21,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:22:21,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:21,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:21,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:21,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:22:21,429 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:22:21,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2024-11-28 02:22:21,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:22:21,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:21,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:21,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:21,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:22:21,439 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:22:21,440 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !true;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:22:21,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:21,448 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:22:21,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:21,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423349507] [2024-11-28 02:22:21,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:21,612 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:21,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:21,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:21,660 INFO L85 PathProgramCache]: Analyzing trace with hash 34451723, now seen corresponding path program 1 times [2024-11-28 02:22:21,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:21,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868470690] [2024-11-28 02:22:21,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:21,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:22:21,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868470690] [2024-11-28 02:22:21,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868470690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:22:21,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686820702] [2024-11-28 02:22:21,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:21,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:21,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:21,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:22:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:21,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:22:21,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:21,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:22:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686820702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:22:21,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:22:21,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 02:22:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799601219] [2024-11-28 02:22:21,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:22:21,815 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:22:21,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:22:21,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:22:21,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:22:21,845 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:21,851 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-28 02:22:21,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-28 02:22:21,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:22:21,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-11-28 02:22:21,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:22:21,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 02:22:21,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-28 02:22:21,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:21,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:22:21,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-28 02:22:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-28 02:22:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-28 02:22:21,887 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:22:21,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:22:21,891 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:22:21,891 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:22:21,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-28 02:22:21,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:22:21,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:21,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:21,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:21,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:22:21,892 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:22:21,892 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:22:21,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:21,893 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-28 02:22:21,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:21,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531192988] [2024-11-28 02:22:21,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:21,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:21,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:21,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1067994606, now seen corresponding path program 1 times [2024-11-28 02:22:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:21,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130537121] [2024-11-28 02:22:21,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:22,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:22:22,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130537121] [2024-11-28 02:22:22,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130537121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:22:22,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882673733] [2024-11-28 02:22:22,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:22,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:22,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:22,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:22:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:22,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:22:22,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:22,285 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 15 treesize of output 1 [2024-11-28 02:22:22,311 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 15 treesize of output 7 [2024-11-28 02:22:22,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:22:22,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882673733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:22:22,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:22:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 02:22:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095394491] [2024-11-28 02:22:22,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:22:22,380 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:22:22,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:22:22,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:22:22,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:22:22,381 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:22,458 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-28 02:22:22,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2024-11-28 02:22:22,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-28 02:22:22,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2024-11-28 02:22:22,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-28 02:22:22,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 02:22:22,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2024-11-28 02:22:22,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:22,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-28 02:22:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2024-11-28 02:22:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-28 02:22:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 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) [2024-11-28 02:22:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-28 02:22:22,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-28 02:22:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:22:22,464 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-28 02:22:22,464 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:22:22,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-11-28 02:22:22,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-28 02:22:22,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:22,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:22,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:22,465 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 02:22:22,465 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:22:22,465 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:22:22,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:22,466 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-28 02:22:22,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:22,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935127386] [2024-11-28 02:22:22,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:22,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:22,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:22,508 INFO L85 PathProgramCache]: Analyzing trace with hash -900611890, now seen corresponding path program 1 times [2024-11-28 02:22:22,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:22,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709177390] [2024-11-28 02:22:22,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:22,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:22:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709177390] [2024-11-28 02:22:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709177390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:22:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851979129] [2024-11-28 02:22:22,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:22,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:22,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:22,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:22:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:23,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:22:23,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:23,043 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 15 treesize of output 1 [2024-11-28 02:22:23,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:23,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:23,118 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 15 treesize of output 7 [2024-11-28 02:22:23,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:22:23,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851979129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:22:23,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:22:23,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2024-11-28 02:22:23,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305929093] [2024-11-28 02:22:23,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:22:23,223 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:22:23,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:22:23,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:22:23,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:22:23,223 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:23,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:23,368 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-28 02:22:23,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2024-11-28 02:22:23,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-28 02:22:23,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2024-11-28 02:22:23,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-28 02:22:23,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-28 02:22:23,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2024-11-28 02:22:23,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:23,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-28 02:22:23,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2024-11-28 02:22:23,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-11-28 02:22:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 states have internal predecessors, (27), 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) [2024-11-28 02:22:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-28 02:22:23,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-28 02:22:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:22:23,378 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-28 02:22:23,379 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:22:23,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2024-11-28 02:22:23,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-11-28 02:22:23,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:23,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:23,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:23,380 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 6, 6, 1, 1, 1, 1, 1] [2024-11-28 02:22:23,380 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:22:23,380 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:22:23,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-11-28 02:22:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411744551] [2024-11-28 02:22:23,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:23,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:23,407 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:23,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:23,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:23,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103026, now seen corresponding path program 2 times [2024-11-28 02:22:23,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:23,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745068191] [2024-11-28 02:22:23,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:24,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:22:24,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745068191] [2024-11-28 02:22:24,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745068191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:22:24,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387570823] [2024-11-28 02:22:24,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:24,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:24,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:24,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:24,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:22:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:24,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:22:24,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:24,577 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 15 treesize of output 1 [2024-11-28 02:22:24,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-28 02:22:24,746 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 15 treesize of output 7 [2024-11-28 02:22:24,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:22:24,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387570823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:22:24,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:22:24,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 19 [2024-11-28 02:22:24,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193583048] [2024-11-28 02:22:24,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:22:24,950 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:22:24,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:22:24,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:22:24,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:22:24,953 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 2 Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 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) [2024-11-28 02:22:25,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:25,125 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-28 02:22:25,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 37 transitions. [2024-11-28 02:22:25,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-28 02:22:25,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 37 transitions. [2024-11-28 02:22:25,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-28 02:22:25,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-28 02:22:25,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 37 transitions. [2024-11-28 02:22:25,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:25,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-28 02:22:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 37 transitions. [2024-11-28 02:22:25,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-28 02:22:25,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 34 states have internal predecessors, (36), 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) [2024-11-28 02:22:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-28 02:22:25,129 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-28 02:22:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:22:25,130 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-28 02:22:25,130 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:22:25,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 36 transitions. [2024-11-28 02:22:25,131 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2024-11-28 02:22:25,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:25,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:25,132 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:22:25,132 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 9, 1, 1, 1, 1, 1] [2024-11-28 02:22:25,132 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:22:25,132 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:22:25,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2024-11-28 02:22:25,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:25,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810792757] [2024-11-28 02:22:25,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:25,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash 627800555, now seen corresponding path program 3 times [2024-11-28 02:22:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:25,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116259120] [2024-11-28 02:22:25,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:25,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,179 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:25,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash -691374487, now seen corresponding path program 1 times [2024-11-28 02:22:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:25,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231211386] [2024-11-28 02:22:25,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:25,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,245 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:25,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:29,340 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:22:29,341 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:22:29,341 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:22:29,342 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:22:29,342 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:22:29,342 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:29,342 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:22:29,342 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:22:29,342 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration5_Lasso [2024-11-28 02:22:29,343 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:22:29,343 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:22:29,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:29,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:30,031 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:22:30,034 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:22:30,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:22:30,042 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 [2024-11-28 02:22:30,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:22:30,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:22:30,080 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 [2024-11-28 02:22:30,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:30,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,107 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:22:30,111 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 [2024-11-28 02:22:30,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:30,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:30,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:22:30,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,144 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:22:30,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:30,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:22:30,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,176 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:22:30,180 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 [2024-11-28 02:22:30,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,197 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:22:30,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,208 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:22:30,211 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 [2024-11-28 02:22:30,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:30,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:30,228 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 02:22:30,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:22:30,244 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 [2024-11-28 02:22:30,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,264 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:30,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,275 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:22:30,279 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 [2024-11-28 02:22:30,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:30,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,309 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:22:30,314 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 [2024-11-28 02:22:30,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:30,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:30,338 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,349 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:22:30,353 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 [2024-11-28 02:22:30,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:30,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 02:22:30,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,382 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:22:30,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:30,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:30,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:30,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:30,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:30,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:30,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:30,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:30,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:22:30,405 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:22:30,408 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 02:22:30,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:30,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:30,412 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:30,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:22:30,415 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:22:30,415 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:22:30,415 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:22:30,415 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x1~0#1.base) ULTIMATE.start_main_~x1~0#1.offset)_1 + 21 Supporting invariants [] [2024-11-28 02:22:30,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:22:30,465 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-11-28 02:22:30,473 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 02:22:30,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 02:22:30,474 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] [2024-11-28 02:22:30,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:30,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:22:30,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:30,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:22:30,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-28 02:22:30,802 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:22:30,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:30,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 71 transitions. Complement of second has 6 states. [2024-11-28 02:22:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-28 02:22:30,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 33 letters. [2024-11-28 02:22:30,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:30,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 35 letters. Loop has 33 letters. [2024-11-28 02:22:30,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:30,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 66 letters. [2024-11-28 02:22:30,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:30,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-11-28 02:22:30,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:30,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 67 states and 70 transitions. [2024-11-28 02:22:30,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-28 02:22:30,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-28 02:22:30,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 70 transitions. [2024-11-28 02:22:30,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:22:30,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-28 02:22:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 70 transitions. [2024-11-28 02:22:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 41. [2024-11-28 02:22:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 states have internal predecessors, (44), 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) [2024-11-28 02:22:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-11-28 02:22:30,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-28 02:22:30,876 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-28 02:22:30,876 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 02:22:30,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 44 transitions. [2024-11-28 02:22:30,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:30,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:30,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:30,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:22:30,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:22:30,877 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 02:22:30,878 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-11-28 02:22:30,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash 28694791, now seen corresponding path program 1 times [2024-11-28 02:22:30,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:30,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365266409] [2024-11-28 02:22:30,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:30,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,892 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:30,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:30,900 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 1 times [2024-11-28 02:22:30,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:30,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453086075] [2024-11-28 02:22:30,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:30,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,906 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:30,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:30,909 INFO L85 PathProgramCache]: Analyzing trace with hash 148043758, now seen corresponding path program 1 times [2024-11-28 02:22:30,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:30,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977577666] [2024-11-28 02:22:30,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:30,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:31,322 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:22:31,322 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:22:31,322 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:22:31,322 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:22:31,322 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:22:31,322 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:31,322 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:22:31,323 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:22:31,323 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration6_Lasso [2024-11-28 02:22:31,323 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:22:31,323 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:22:31,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:31,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:22:31,723 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:22:31,723 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:22:31,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:31,726 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:31,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:22:31,731 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 [2024-11-28 02:22:31,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:31,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:31,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:31,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:31,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:31,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:31,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:31,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:31,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:31,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:31,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:31,761 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:31,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:22:31,767 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 [2024-11-28 02:22:31,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:31,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:31,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:31,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:31,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:31,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:31,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:31,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:22:31,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:31,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:31,795 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:31,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:22:31,798 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 [2024-11-28 02:22:31,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:31,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:31,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:31,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:31,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:31,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:31,818 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:22:31,833 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-28 02:22:31,834 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 02:22:31,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:31,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:31,836 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:31,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:22:31,840 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:22:31,854 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:22:31,854 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:22:31,854 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_2 Supporting invariants [] [2024-11-28 02:22:31,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:22:31,873 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-28 02:22:31,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:22:31,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:22:31,874 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-11-28 02:22:31,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:31,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:22:31,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:31,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:22:31,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:31,959 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:22:31,959 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:32,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 111 states and 118 transitions. Complement of second has 9 states. [2024-11-28 02:22:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 02:22:32,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-28 02:22:32,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:32,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-28 02:22:32,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:32,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-28 02:22:32,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:32,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 118 transitions. [2024-11-28 02:22:32,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:32,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 83 transitions. [2024-11-28 02:22:32,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 02:22:32,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:22:32,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 83 transitions. [2024-11-28 02:22:32,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:22:32,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-11-28 02:22:32,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 83 transitions. [2024-11-28 02:22:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2024-11-28 02:22:32,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 71 states have internal predecessors, (75), 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) [2024-11-28 02:22:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-28 02:22:32,024 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-28 02:22:32,025 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-28 02:22:32,025 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 02:22:32,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 75 transitions. [2024-11-28 02:22:32,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:22:32,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:22:32,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:22:32,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 02:22:32,030 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:22:32,031 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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume !(main_#t~mem7#1 > 1);havoc main_#t~mem7#1;" "call main_#t~mem9#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#0(1 + main_#t~mem9#1, main_~x1~0#1.base, main_~x1~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~x1~0#1.base, main_~x1~0#1.offset, 4);" "assume main_#t~mem6#1 <= 10;havoc main_#t~mem6#1;" "call write~int#1(10, main_~x2~0#1.base, main_~x2~0#1.offset, 4);" [2024-11-28 02:22:32,031 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem7#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);" "assume main_#t~mem7#1 > 1;havoc main_#t~mem7#1;" "call main_#t~mem8#1 := read~int#1(main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#1(main_#t~mem8#1 - 1, main_~x2~0#1.base, main_~x2~0#1.offset, 4);havoc main_#t~mem8#1;" [2024-11-28 02:22:32,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:32,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1925815457, now seen corresponding path program 2 times [2024-11-28 02:22:32,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:32,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308586949] [2024-11-28 02:22:32,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:32,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:32,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:32,106 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 2 times [2024-11-28 02:22:32,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:32,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089317999] [2024-11-28 02:22:32,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:32,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:32,117 INFO L85 PathProgramCache]: Analyzing trace with hash -204843500, now seen corresponding path program 3 times [2024-11-28 02:22:32,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:22:32,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510656139] [2024-11-28 02:22:32,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:32,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,146 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:32,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:22:40,850 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 189 DAG size of output: 165 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-28 02:22:41,006 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:22:41,007 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:22:41,007 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:22:41,007 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:22:41,007 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:22:41,007 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,007 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:22:41,007 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:22:41,007 INFO L132 ssoRankerPreferences]: Filename of dumped script: Urban-2013WST-Fig2-alloca-2.i_Iteration7_Lasso [2024-11-28 02:22:41,007 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:22:41,007 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:22:41,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:22:41,401 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:22:41,403 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:22:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,408 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,412 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 [2024-11-28 02:22:41,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:22:41,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:41,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,441 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:22:41,445 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 [2024-11-28 02:22:41,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:22:41,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,469 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:22:41,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:41,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:22:41,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,492 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 02:22:41,494 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 [2024-11-28 02:22:41,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,519 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:22:41,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:41,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,540 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 02:22:41,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,551 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:22:41,555 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 [2024-11-28 02:22:41,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 02:22:41,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,586 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:22:41,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:41,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:22:41,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,620 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:22:41,622 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 [2024-11-28 02:22:41,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,636 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 02:22:41,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,647 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:22:41,652 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 [2024-11-28 02:22:41,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:22:41,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:22:41,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:22:41,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,672 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 02:22:41,675 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 [2024-11-28 02:22:41,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,696 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 02:22:41,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,705 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 02:22:41,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:22:41,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:22:41,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:41,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,742 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 02:22:41,744 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 [2024-11-28 02:22:41,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:22:41,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:22:41,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:22:41,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:22:41,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:22:41,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:22:41,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:22:41,778 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-28 02:22:41,778 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 02:22:41,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:22:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:41,782 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 02:22:41,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:22:41,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:22:41,803 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:22:41,803 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_3 Supporting invariants [] [2024-11-28 02:22:41,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 02:22:41,828 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-28 02:22:41,830 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:22:41,830 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:22:41,830 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-11-28 02:22:41,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:41,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:22:41,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:41,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:22:41,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:42,001 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:22:42,001 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-11-28 02:22:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 02:22:42,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:22:42,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:42,050 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:22:42,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:42,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:22:42,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:42,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:22:42,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:42,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:22:42,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 9 states. [2024-11-28 02:22:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 02:22:42,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:22:42,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:42,251 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:22:42,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:42,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:22:42,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:42,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:22:42,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 02:22:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:42,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:22:42,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:42,451 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:22:42,452 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 126 transitions. Complement of second has 8 states. [2024-11-28 02:22:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:22:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-28 02:22:42,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:22:42,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:42,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 41 letters. Loop has 3 letters. [2024-11-28 02:22:42,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:42,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 38 letters. Loop has 6 letters. [2024-11-28 02:22:42,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:22:42,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 126 transitions. [2024-11-28 02:22:42,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:22:42,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 0 states and 0 transitions. [2024-11-28 02:22:42,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:22:42,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:22:42,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:22:42,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:22:42,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:22:42,511 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:22:42,511 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:22:42,511 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 02:22:42,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:22:42,511 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:22:42,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:22:42,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:22:42 BoogieIcfgContainer [2024-11-28 02:22:42,519 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:22:42,520 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:22:42,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:22:42,520 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:22:42,521 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:21" (3/4) ... [2024-11-28 02:22:42,523 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:22:42,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:22:42,525 INFO L158 Benchmark]: Toolchain (without parser) took 21981.46ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.7MB in the beginning and 304.4MB in the end (delta: -211.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-28 02:22:42,525 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:42,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 76.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:22:42,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.91ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:42,526 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:42,526 INFO L158 Benchmark]: RCFGBuilder took 297.95ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 63.4MB in the end (delta: 10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:42,527 INFO L158 Benchmark]: BuchiAutomizer took 21196.27ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.1MB in the beginning and 304.4MB in the end (delta: -241.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-28 02:22:42,527 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 352.3MB. Free memory was 304.4MB in the beginning and 304.4MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:42,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.40ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 76.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.91ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 75.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 74.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.95ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 63.4MB in the end (delta: 10.5MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 21196.27ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.1MB in the beginning and 304.4MB in the end (delta: -241.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 352.3MB. Free memory was 304.4MB in the beginning and 304.4MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x1~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x2~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.1s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 19.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 126/126 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 79 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital149 mio100 ax112 hnf100 lsp87 ukn62 mio100 lsp26 div100 bol100 ite100 ukn100 eq163 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:22:42,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:22:42,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:42,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:22:43,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:22:43,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dfc08fd-3a4b-4088-8d68-bff7649a1f09/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