./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:31,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:31,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:19:31,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:31,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:31,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:31,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:31,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:31,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:31,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:31,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:31,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:31,588 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:31,589 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:19:31,589 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:19:31,591 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:19:31,592 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:19:31,592 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:19:31,592 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:19:31,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:31,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:19:31,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:31,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:31,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:31,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:31,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:19:31,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:19:31,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:19:31,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:31,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:31,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:31,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:31,601 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:19:31,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:31,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:31,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:31,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:31,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:31,603 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:19:31,603 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2024-10-31 22:19:31,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:31,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:31,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:31,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:31,966 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:31,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i Unable to find full path for "g++" [2024-10-31 22:19:34,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:34,442 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:34,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2024-10-31 22:19:34,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/data/2579162a7/648866f53ba04e4b9cdf742650dccd32/FLAG641a0153e [2024-10-31 22:19:34,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/data/2579162a7/648866f53ba04e4b9cdf742650dccd32 [2024-10-31 22:19:34,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:34,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:34,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:34,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:34,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:34,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:34" (1/1) ... [2024-10-31 22:19:34,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c35c6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:34, skipping insertion in model container [2024-10-31 22:19:34,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:34" (1/1) ... [2024-10-31 22:19:34,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:34,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:34,926 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:34,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:35,003 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:35,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35 WrapperNode [2024-10-31 22:19:35,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:35,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:35,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:35,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:35,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,046 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-10-31 22:19:35,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:35,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:35,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:35,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:35,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,083 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]. [2024-10-31 22:19:35,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:35,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:35,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:35,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:35,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (1/1) ... [2024-10-31 22:19:35,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:35,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:19:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:19:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:19:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:19:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:35,316 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:35,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:35,525 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:35,525 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:35,538 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:35,538 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:19:35,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:35 BoogieIcfgContainer [2024-10-31 22:19:35,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:35,540 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:19:35,540 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:19:35,546 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:19:35,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:35,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:19:34" (1/3) ... [2024-10-31 22:19:35,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@214782d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:35, skipping insertion in model container [2024-10-31 22:19:35,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:35,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:35" (2/3) ... [2024-10-31 22:19:35,548 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@214782d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:35, skipping insertion in model container [2024-10-31 22:19:35,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:35,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:35" (3/3) ... [2024-10-31 22:19:35,550 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-2.i [2024-10-31 22:19:35,616 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:19:35,616 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:19:35,616 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:19:35,617 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:19:35,617 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:19:35,617 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:19:35,617 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:19:35,617 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:19:35,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:35,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:19:35,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:35,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:35,643 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:19:35,643 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:35,643 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:19:35,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:35,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:19:35,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:35,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:35,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:19:35,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:35,655 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 7#L529true assume !(main_~length~0#1 < 1); 16#L529-2true assume !(main_~n~0#1 < 1); 2#L532-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L537-3true [2024-10-31 22:19:35,655 INFO L747 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 14#L537-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 6#L537-3true [2024-10-31 22:19:35,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:35,662 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-10-31 22:19:35,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:35,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717987245] [2024-10-31 22:19:35,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:35,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:35,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:35,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:35,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2024-10-31 22:19:35,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:35,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222321860] [2024-10-31 22:19:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:35,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:35,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:35,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2024-10-31 22:19:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:35,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114367688] [2024-10-31 22:19:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:36,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:36,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:36,453 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:19:36,454 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:19:36,454 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:19:36,455 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:19:36,455 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:19:36,455 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:36,455 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:19:36,456 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:19:36,456 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration1_Lasso [2024-10-31 22:19:36,456 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:19:36,456 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:19:36,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:36,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:37,166 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:19:37,172 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:19:37,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:19:37,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,207 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:19:37,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:19:37,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:19:37,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:37,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:37,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:19:37,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:19:37,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:19:37,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:19:37,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:37,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:37,418 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:19:37,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:19:37,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,556 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:19:37,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,600 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:19:37,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,624 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:19:37,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,670 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:19:37,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:19:37,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,756 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:19:37,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,802 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:19:37,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,826 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:19:37,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:37,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:37,898 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,920 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:19:37,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:37,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:37,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:37,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:37,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:37,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:37,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:37,949 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:37,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:37,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:37,981 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:37,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:37,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:19:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:38,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:38,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:38,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:38,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:38,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:38,060 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:19:38,127 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-10-31 22:19:38,127 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 22:19:38,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:38,140 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:38,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:19:38,144 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:19:38,160 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:19:38,161 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:19:38,162 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetArea~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetArea~0#1.offset >= 0] [2024-10-31 22:19:38,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:19:38,200 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-10-31 22:19:38,214 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:19:38,215 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:19:38,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:19:38,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:19:38,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:38,376 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:19:38,377 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:38,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 6 states. [2024-10-31 22:19:38,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:19:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-10-31 22:19:38,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 22:19:38,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:38,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2024-10-31 22:19:38,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:38,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2024-10-31 22:19:38,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:38,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-10-31 22:19:38,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:38,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 18 transitions. [2024-10-31 22:19:38,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:19:38,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:19:38,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-10-31 22:19:38,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:38,480 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-10-31 22:19:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-10-31 22:19:38,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 22:19:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) 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) [2024-10-31 22:19:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-10-31 22:19:38,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-10-31 22:19:38,509 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-10-31 22:19:38,509 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:19:38,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-10-31 22:19:38,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:38,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:38,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:38,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:38,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:19:38,511 INFO L745 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 124#L529 assume !(main_~length~0#1 < 1); 125#L529-2 assume !(main_~n~0#1 < 1); 118#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 119#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 120#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 121#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 127#L518-4 [2024-10-31 22:19:38,511 INFO L747 eck$LassoCheckResult]: Loop: 127#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 128#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 131#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 129#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 127#L518-4 [2024-10-31 22:19:38,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,512 INFO L85 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2024-10-31 22:19:38,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:38,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197328944] [2024-10-31 22:19:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197328944] [2024-10-31 22:19:38,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197328944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:38,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:38,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:19:38,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293246202] [2024-10-31 22:19:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:38,676 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:38,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 1 times [2024-10-31 22:19:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:38,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621734300] [2024-10-31 22:19:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:38,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:38,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:38,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:38,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:38,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:38,845 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:38,908 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2024-10-31 22:19:38,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2024-10-31 22:19:38,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:38,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2024-10-31 22:19:38,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:19:38,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:19:38,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-10-31 22:19:38,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:38,911 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-10-31 22:19:38,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-10-31 22:19:38,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-10-31 22:19:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-10-31 22:19:38,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 22:19:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:38,917 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 22:19:38,917 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:19:38,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-10-31 22:19:38,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:38,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:38,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:38,918 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:38,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:19:38,919 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 160#L529 assume !(main_~length~0#1 < 1); 161#L529-2 assume !(main_~n~0#1 < 1); 154#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 155#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 158#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 159#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 156#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 157#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 163#L518-4 [2024-10-31 22:19:38,919 INFO L747 eck$LassoCheckResult]: Loop: 163#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 164#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 167#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 165#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 163#L518-4 [2024-10-31 22:19:38,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2024-10-31 22:19:38,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:38,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018022377] [2024-10-31 22:19:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:38,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:38,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:38,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:38,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 2 times [2024-10-31 22:19:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:38,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532215004] [2024-10-31 22:19:38,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:38,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:38,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:39,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:39,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:39,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1308516218, now seen corresponding path program 1 times [2024-10-31 22:19:39,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:39,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178303982] [2024-10-31 22:19:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:39,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178303982] [2024-10-31 22:19:39,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178303982] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051932355] [2024-10-31 22:19:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:39,337 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:39,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-31 22:19:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:19:39,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:39,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:39,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:39,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051932355] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:39,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:39,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-10-31 22:19:39,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244803084] [2024-10-31 22:19:39,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:39,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-31 22:19:39,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:19:39,803 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:39,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:39,952 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-10-31 22:19:39,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2024-10-31 22:19:39,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:39,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 17 states and 19 transitions. [2024-10-31 22:19:39,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:19:39,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:19:39,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2024-10-31 22:19:39,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:39,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-10-31 22:19:39,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2024-10-31 22:19:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-10-31 22:19:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 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) [2024-10-31 22:19:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-10-31 22:19:39,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-31 22:19:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:19:39,958 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-31 22:19:39,958 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:19:39,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-10-31 22:19:39,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:19:39,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:39,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:39,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:39,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:19:39,960 INFO L745 eck$LassoCheckResult]: Stem: 316#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length~0#1, main_~n~0#1, main_~c~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~c~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 310#L529 assume !(main_~length~0#1 < 1); 311#L529-2 assume !(main_~n~0#1 < 1); 303#L532-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 304#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 307#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 308#L537-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 309#L537-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 318#L537-3 assume !(main_~i~0#1 < main_~n~0#1); 305#L537-4 havoc main_~i~0#1;assume { :begin_inline_cmemchr } true;cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset, cmemchr_#in~c#1, cmemchr_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~c~0#1, main_~n~0#1;havoc cmemchr_#res#1.base, cmemchr_#res#1.offset;havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, cmemchr_#t~mem3#1, cmemchr_#t~pre4#1, cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset, cmemchr_~s#1.base, cmemchr_~s#1.offset, cmemchr_~c#1, cmemchr_~n#1;cmemchr_~s#1.base, cmemchr_~s#1.offset := cmemchr_#in~s#1.base, cmemchr_#in~s#1.offset;cmemchr_~c#1 := cmemchr_#in~c#1;cmemchr_~n#1 := cmemchr_#in~n#1; 306#L516 assume 0 != cmemchr_~n#1 % 4294967296;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_~s#1.base, cmemchr_~s#1.offset; 313#L518-4 [2024-10-31 22:19:39,960 INFO L747 eck$LassoCheckResult]: Loop: 313#L518-4 cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset := cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset;cmemchr_~p~0#1.base, cmemchr_~p~0#1.offset := cmemchr_#t~post2#1.base, 1 + cmemchr_#t~post2#1.offset;call cmemchr_#t~mem3#1 := read~int#0(cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset, 1); 314#L519 assume !((if cmemchr_#t~mem3#1 % 256 % 4294967296 <= 2147483647 then cmemchr_#t~mem3#1 % 256 % 4294967296 else cmemchr_#t~mem3#1 % 256 % 4294967296 - 4294967296) == (if cmemchr_~c#1 % 256 % 4294967296 <= 2147483647 then cmemchr_~c#1 % 256 % 4294967296 else cmemchr_~c#1 % 256 % 4294967296 - 4294967296));havoc cmemchr_#t~post2#1.base, cmemchr_#t~post2#1.offset;havoc cmemchr_#t~mem3#1; 317#L518-1 cmemchr_#t~pre4#1 := cmemchr_~n#1 - 1;cmemchr_~n#1 := cmemchr_~n#1 - 1; 315#L518-2 assume !!(0 != cmemchr_#t~pre4#1 % 4294967296);havoc cmemchr_#t~pre4#1; 313#L518-4 [2024-10-31 22:19:39,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:39,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1352797870, now seen corresponding path program 2 times [2024-10-31 22:19:39,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:39,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740154738] [2024-10-31 22:19:39,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:39,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:39,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:39,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:39,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2036779, now seen corresponding path program 3 times [2024-10-31 22:19:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:39,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667904154] [2024-10-31 22:19:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:39,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:40,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:40,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash -24116136, now seen corresponding path program 2 times [2024-10-31 22:19:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184801306] [2024-10-31 22:19:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:40,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:40,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:40,513 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:19:40,514 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:19:40,514 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:19:40,514 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:19:40,514 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:19:40,514 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:40,514 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:19:40,514 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:19:40,514 INFO L132 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-2.i_Iteration4_Lasso [2024-10-31 22:19:40,514 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:19:40,515 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:19:40,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:40,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:41,535 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:19:41,535 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:19:41,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,538 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:19:41,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,563 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:19:41,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,584 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:19:41,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,606 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:41,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,627 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:19:41,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:19:41,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,668 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:19:41,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,690 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:19:41,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,712 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:19:41,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:19:41,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,758 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:19:41,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:41,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,801 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:19:41,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:41,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:41,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:41,821 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:41,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:19:41,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,844 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:19:41,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:41,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:41,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:41,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:41,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:41,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:41,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:41,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:19:41,918 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-10-31 22:19:41,918 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-31 22:19:41,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:41,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,921 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:19:41,923 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:19:41,941 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:19:41,941 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:19:41,941 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~p~0#1.offset) = -2*ULTIMATE.start_cmemchr_~p~0#1.offset + 8589934589 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 + 4294967295 >= 0] [2024-10-31 22:19:41,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:19:41,979 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2024-10-31 22:19:41,984 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-10-31 22:19:42,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:42,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:19:42,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:42,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-31 22:19:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:42,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:19:42,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:42,263 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-10-31 22:19:42,264 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:42,316 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 18 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 22 transitions. Complement of second has 6 states. [2024-10-31 22:19:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:19:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-10-31 22:19:42,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-10-31 22:19:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-10-31 22:19:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:42,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 8 letters. [2024-10-31 22:19:42,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:42,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2024-10-31 22:19:42,320 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:19:42,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2024-10-31 22:19:42,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:19:42,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:19:42,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:19:42,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:42,321 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:19:42,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:19:42,321 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:19:42,321 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:19:42,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:19:42,321 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:19:42,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:19:42,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:19:42 BoogieIcfgContainer [2024-10-31 22:19:42,336 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:19:42,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:19:42,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:19:42,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:19:42,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:35" (3/4) ... [2024-10-31 22:19:42,340 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:19:42,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:19:42,342 INFO L158 Benchmark]: Toolchain (without parser) took 7865.42ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 106.3MB in the beginning and 82.0MB in the end (delta: 24.3MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,342 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:42,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.37ms. Allocated memory is still 138.4MB. Free memory was 106.3MB in the beginning and 87.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.81ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,345 INFO L158 Benchmark]: Boogie Preprocessor took 57.52ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,346 INFO L158 Benchmark]: RCFGBuilder took 433.38ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 71.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,348 INFO L158 Benchmark]: BuchiAutomizer took 6795.83ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 82.0MB in the end (delta: -10.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-31 22:19:42,348 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 184.5MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:42,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.37ms. Allocated memory is still 138.4MB. Free memory was 106.3MB in the beginning and 87.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.81ms. Allocated memory is still 138.4MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.52ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.38ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 71.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6795.83ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 71.7MB in the beginning and 82.0MB in the end (delta: -10.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 184.5MB. Free memory is still 82.0MB. 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: ~p~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 102 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 38 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax117 hnf100 lsp85 ukn82 mio100 lsp56 div207 bol100 ite100 ukn100 eq154 hnf93 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms 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! [2024-10-31 22:19:42,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:19:42,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:42,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f8de44a-50f6-4cf5-afc3-cfebf44b8c3e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE