./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-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_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a39001d729fceb66f0e568e2a46f4a77a12199478b1f9dfc07eb9a8b83cb9478 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:25:52,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:25:52,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 11:25:52,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:25:52,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:25:52,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:25:52,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:25:52,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:25:52,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:25:52,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:25:52,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:25:52,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:25:52,345 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:25:52,345 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 11:25:52,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 11:25:52,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:25:52,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:25:52,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:25:52,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:25:52,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 11:25:52,348 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 11:25:52,348 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_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a39001d729fceb66f0e568e2a46f4a77a12199478b1f9dfc07eb9a8b83cb9478 [2024-12-02 11:25:52,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:25:52,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:25:52,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:25:52,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:25:52,560 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:25:52,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i [2024-12-02 11:25:55,138 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/data/c9f786427/d0ae1778150e47778637c652d86d9d50/FLAG53dad9c63 [2024-12-02 11:25:55,381 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:25:55,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrnlen-alloca-2.i [2024-12-02 11:25:55,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/data/c9f786427/d0ae1778150e47778637c652d86d9d50/FLAG53dad9c63 [2024-12-02 11:25:55,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/data/c9f786427/d0ae1778150e47778637c652d86d9d50 [2024-12-02 11:25:55,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:25:55,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:25:55,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:25:55,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:25:55,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:25:55,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:55,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fc5c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55, skipping insertion in model container [2024-12-02 11:25:55,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:55,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:25:55,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:25:55,937 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:25:55,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:25:55,988 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:25:55,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55 WrapperNode [2024-12-02 11:25:55,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:25:55,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:25:55,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:25:55,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:25:55,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,015 INFO L138 Inliner]: procedures = 111, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-12-02 11:25:56,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:25:56,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:25:56,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:25:56,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:25:56,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,033 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2024-12-02 11:25:56,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:25:56,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:25:56,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:25:56,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:25:56,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (1/1) ... [2024-12-02 11:25:56,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:56,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 11:25:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:25:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:25:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:25:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:25:56,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:25:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:25:56,165 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:25:56,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:25:56,248 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 11:25:56,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:25:56,255 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:25:56,256 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 11:25:56,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:25:56 BoogieIcfgContainer [2024-12-02 11:25:56,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:25:56,257 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 11:25:56,257 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 11:25:56,261 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 11:25:56,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:25:56,261 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 11:25:55" (1/3) ... [2024-12-02 11:25:56,262 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fa77be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:25:56, skipping insertion in model container [2024-12-02 11:25:56,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:25:56,262 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:25:55" (2/3) ... [2024-12-02 11:25:56,263 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fa77be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:25:56, skipping insertion in model container [2024-12-02 11:25:56,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 11:25:56,263 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:25:56" (3/3) ... [2024-12-02 11:25:56,264 INFO L363 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrnlen-alloca-2.i [2024-12-02 11:25:56,300 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 11:25:56,300 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 11:25:56,300 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 11:25:56,300 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 11:25:56,300 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 11:25:56,300 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 11:25:56,300 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 11:25:56,301 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 11:25:56,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:56,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 11:25:56,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:25:56,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:25:56,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 11:25:56,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 11:25:56,320 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 11:25:56,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:56,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 11:25:56,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:25:56,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:25:56,322 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 11:25:56,322 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 11:25:56,327 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~n~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~mem2#1, cstrnlen_#t~short3#1, cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset, cstrnlen_#t~post5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset;" [2024-12-02 11:25:56,327 INFO L749 eck$LassoCheckResult]: Loop: "cstrnlen_#t~short3#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616;" "assume cstrnlen_#t~short3#1;call cstrnlen_#t~mem2#1 := read~int#0(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short3#1 := 0 != cstrnlen_#t~mem2#1;" "assume cstrnlen_#t~short3#1;havoc cstrnlen_#t~mem2#1;havoc cstrnlen_#t~short3#1;" "cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post4#1.base, 1 + cstrnlen_#t~post4#1.offset;havoc cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset;cstrnlen_#t~post5#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post5#1 - 1;havoc cstrnlen_#t~post5#1;" [2024-12-02 11:25:56,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-12-02 11:25:56,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:25:56,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904200826] [2024-12-02 11:25:56,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:25:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,413 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:25:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:25:56,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1511592, now seen corresponding path program 1 times [2024-12-02 11:25:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:25:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395420832] [2024-12-02 11:25:56,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:25:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:25:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:25:56,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1298318189, now seen corresponding path program 1 times [2024-12-02 11:25:56,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:25:56,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648448713] [2024-12-02 11:25:56,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:56,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:25:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,501 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:25:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:56,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:25:57,062 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 11:25:57,063 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 11:25:57,063 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 11:25:57,063 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 11:25:57,063 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 11:25:57,063 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,063 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 11:25:57,063 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 11:25:57,064 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-2.i_Iteration1_Lasso [2024-12-02 11:25:57,064 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 11:25:57,064 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 11:25:57,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 11:25:57,570 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 11:25:57,573 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 11:25:57,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 11:25:57,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,598 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 11:25:57,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 11:25:57,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 11:25:57,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 11:25:57,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,658 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 11:25:57,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 11:25:57,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:57,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:57,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 11:25:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 11:25:57,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 11:25:57,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,732 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 11:25:57,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,751 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 11:25:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 11:25:57,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 11:25:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,782 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 11:25:57,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:57,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:57,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 11:25:57,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,812 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 11:25:57,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,828 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 11:25:57,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,835 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 11:25:57,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 11:25:57,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,857 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 11:25:57,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 11:25:57,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,886 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 11:25:57,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 11:25:57,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,908 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 11:25:57,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,926 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 11:25:57,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,933 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 11:25:57,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:57,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 11:25:57,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:57,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 11:25:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,956 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 11:25:57,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:57,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:57,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:57,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:57,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:57,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:57,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:57,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:57,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 11:25:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:57,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:57,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 11:25:57,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:58,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:58,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:58,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:58,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:58,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:58,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:58,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:58,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 11:25:58,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,021 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 11:25:58,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:58,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:58,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:58,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:58,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:58,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:58,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:58,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:58,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 11:25:58,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,049 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 11:25:58,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:58,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:58,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:58,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:58,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:58,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:58,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:58,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:58,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 11:25:58,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:58,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,085 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 11:25:58,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:58,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:58,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 11:25:58,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:58,099 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-12-02 11:25:58,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:58,100 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-12-02 11:25:58,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 11:25:58,102 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 11:25:58,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 11:25:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:58,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,111 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 11:25:58,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 11:25:58,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 11:25:58,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 11:25:58,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 11:25:58,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 11:25:58,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 11:25:58,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 11:25:58,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 11:25:58,163 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-12-02 11:25:58,165 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-12-02 11:25:58,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 11:25:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,169 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 11:25:58,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 11:25:58,184 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 11:25:58,184 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 11:25:58,185 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrnlen_~cp~0#1.offset, v_rep(select #length ULTIMATE.start_cstrnlen_~cp~0#1.base)_1) = -1*ULTIMATE.start_cstrnlen_~cp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrnlen_~cp~0#1.base)_1 Supporting invariants [] [2024-12-02 11:25:58,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 11:25:58,207 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-12-02 11:25:58,211 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 11:25:58,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 11:25:58,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~cp~0!offset [2024-12-02 11:25:58,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:25:58,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:25:58,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:25:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:25:58,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:25:58,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:25:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:25:58,327 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 11:25:58,329 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:58,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 8 states. [2024-12-02 11:25:58,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-12-02 11:25:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-12-02 11:25:58,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 5 letters. Loop has 4 letters. [2024-12-02 11:25:58,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 11:25:58,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2024-12-02 11:25:58,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 11:25:58,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 5 letters. Loop has 8 letters. [2024-12-02 11:25:58,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 11:25:58,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2024-12-02 11:25:58,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 11:25:58,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 18 states and 23 transitions. [2024-12-02 11:25:58,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-12-02 11:25:58,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-12-02 11:25:58,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2024-12-02 11:25:58,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 11:25:58,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-12-02 11:25:58,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2024-12-02 11:25:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-12-02 11:25:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-12-02 11:25:58,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-12-02 11:25:58,415 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-12-02 11:25:58,415 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 11:25:58,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-12-02 11:25:58,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 11:25:58,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 11:25:58,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 11:25:58,416 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-12-02 11:25:58,416 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 11:25:58,416 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~n~0#1 < 1);" "call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~mem2#1, cstrnlen_#t~short3#1, cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset, cstrnlen_#t~post5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset;" "cstrnlen_#t~short3#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616;" [2024-12-02 11:25:58,416 INFO L749 eck$LassoCheckResult]: Loop: "assume !cstrnlen_#t~short3#1;" "assume cstrnlen_#t~short3#1;havoc cstrnlen_#t~mem2#1;havoc cstrnlen_#t~short3#1;" "cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post4#1.base, 1 + cstrnlen_#t~post4#1.offset;havoc cstrnlen_#t~post4#1.base, cstrnlen_#t~post4#1.offset;cstrnlen_#t~post5#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post5#1 - 1;havoc cstrnlen_#t~post5#1;" "cstrnlen_#t~short3#1 := 0 != cstrnlen_~maxlen#1 % 18446744073709551616;" [2024-12-02 11:25:58,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash 889572237, now seen corresponding path program 1 times [2024-12-02 11:25:58,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:25:58,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512491931] [2024-12-02 11:25:58,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:58,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:25:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:58,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:25:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:25:58,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 11:25:58,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:25:58,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1666424, now seen corresponding path program 1 times [2024-12-02 11:25:58,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 11:25:58,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507925241] [2024-12-02 11:25:58,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:58,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:25:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:25:58,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 11:25:58,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507925241] [2024-12-02 11:25:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507925241] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:25:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487566629] [2024-12-02 11:25:58,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:25:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:25:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:25:58,486 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:25:58,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 11:25:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:25:58,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:25:58,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:25:58,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:25:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487566629] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:25:58,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:25:58,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-12-02 11:25:58,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684112784] [2024-12-02 11:25:58,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:25:58,528 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 11:25:58,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 11:25:58,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:25:58,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:25:58,531 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:25:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:25:58,539 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2024-12-02 11:25:58,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2024-12-02 11:25:58,540 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 11:25:58,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2024-12-02 11:25:58,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 11:25:58,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 11:25:58,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 11:25:58,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 11:25:58,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:25:58,541 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:25:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:25:58,542 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:25:58,542 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 11:25:58,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:25:58,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 11:25:58,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 11:25:58,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 11:25:58 BoogieIcfgContainer [2024-12-02 11:25:58,550 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 11:25:58,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:25:58,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:25:58,551 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:25:58,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:25:56" (3/4) ... [2024-12-02 11:25:58,553 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:25:58,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:25:58,555 INFO L158 Benchmark]: Toolchain (without parser) took 2837.06ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 75.7MB in the end (delta: 41.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-12-02 11:25:58,555 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:25:58,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.63ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 101.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:25:58,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.16ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:25:58,556 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:25:58,556 INFO L158 Benchmark]: RCFGBuilder took 210.65ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 87.0MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:25:58,556 INFO L158 Benchmark]: BuchiAutomizer took 2293.18ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 75.7MB in the end (delta: 11.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-12-02 11:25:58,556 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:25:58,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.63ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 101.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.16ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 98.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.65ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 87.0MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2293.18ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 75.7MB in the end (delta: 11.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~cp~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital126 mio100 ax114 hnf100 lsp75 ukn77 mio100 lsp47 div129 bol100 ite100 ukn100 eq150 hnf96 smp75 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 11:25:58,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 11:25:58,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 11:25:58,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f77ea6-59fe-4aa5-a5a6-6ec64e4fd045/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE