./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:07:00,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:07:00,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 23:07:00,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:07:00,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:07:00,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:07:00,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:07:00,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:07:00,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:07:00,654 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:07:00,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:07:00,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:07:00,655 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:07:00,655 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 23:07:00,655 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 23:07:00,655 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 23:07:00,656 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 23:07:00,656 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 23:07:00,656 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 23:07:00,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:07:00,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 23:07:00,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:07:00,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:07:00,658 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 23:07:00,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:07:00,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:07:00,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:07:00,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:00,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:07:00,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 23:07:00,659 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 23:07:00,659 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d44dc9ee297680f321b2cf4dcd79f3ba6ced2470ed6439fc6dd5eb0285efc9c [2024-11-23 23:07:01,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:07:01,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:07:01,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:07:01,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:07:01,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:07:01,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2024-11-23 23:07:04,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/data/5a1e47c13/be0f8cf1302f4f4dadb4356755b24dcf/FLAGb20302dd5 [2024-11-23 23:07:04,782 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:07:04,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2024-11-23 23:07:04,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/data/5a1e47c13/be0f8cf1302f4f4dadb4356755b24dcf/FLAGb20302dd5 [2024-11-23 23:07:04,838 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/data/5a1e47c13/be0f8cf1302f4f4dadb4356755b24dcf [2024-11-23 23:07:04,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:07:04,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:07:04,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:04,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:07:04,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:07:04,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:04" (1/1) ... [2024-11-23 23:07:04,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1b8723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:04, skipping insertion in model container [2024-11-23 23:07:04,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:04" (1/1) ... [2024-11-23 23:07:04,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:07:05,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:05,292 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:07:05,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:05,398 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:07:05,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05 WrapperNode [2024-11-23 23:07:05,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:05,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:05,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:07:05,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:07:05,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,460 INFO L138 Inliner]: procedures = 111, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 186 [2024-11-23 23:07:05,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:05,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:07:05,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:07:05,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:07:05,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,509 INFO L175 MemorySlicer]: Split 42 memory accesses to 5 slices as follows [8, 6, 12, 6, 10]. 29 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0, 0]. The 20 writes are split as follows [4, 2, 6, 2, 6]. [2024-11-23 23:07:05,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:07:05,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:07:05,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:07:05,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:07:05,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (1/1) ... [2024-11-23 23:07:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:05,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:05,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 23:07:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:07:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:07:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:07:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:07:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:07:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:07:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:07:05,774 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:07:05,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:07:06,280 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-23 23:07:06,284 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:07:06,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:07:06,304 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:07:06,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:06 BoogieIcfgContainer [2024-11-23 23:07:06,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:07:06,306 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 23:07:06,306 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 23:07:06,314 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 23:07:06,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:07:06,316 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:07:04" (1/3) ... [2024-11-23 23:07:06,317 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12ffbd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:07:06, skipping insertion in model container [2024-11-23 23:07:06,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:07:06,319 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:05" (2/3) ... [2024-11-23 23:07:06,319 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12ffbd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:07:06, skipping insertion in model container [2024-11-23 23:07:06,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:07:06,319 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:06" (3/3) ... [2024-11-23 23:07:06,321 INFO L363 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2024-11-23 23:07:06,402 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 23:07:06,402 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 23:07:06,402 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 23:07:06,402 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 23:07:06,403 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 23:07:06,403 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 23:07:06,403 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 23:07:06,403 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 23:07:06,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:06,438 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2024-11-23 23:07:06,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:06,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:06,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 23:07:06,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 23:07:06,446 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 23:07:06,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:06,450 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2024-11-23 23:07:06,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:06,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:06,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-23 23:07:06,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-23 23:07:06,462 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1;" "assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#1(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#4(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#3(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#2(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1;" [2024-11-23 23:07:06,462 INFO L749 eck$LassoCheckResult]: Loop: "call f_#t~mem8#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume f_#t~mem8#1 < f_#t~mem9#1;havoc f_#t~mem8#1;havoc f_#t~mem9#1;" "call f_#t~mem10#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int#2(2 * f_#t~mem10#1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem10#1;" [2024-11-23 23:07:06,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:06,470 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2024-11-23 23:07:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:06,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521861416] [2024-11-23 23:07:06,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:06,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:06,775 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:06,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:06,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:06,941 INFO L85 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2024-11-23 23:07:06,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:06,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502539354] [2024-11-23 23:07:06,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:06,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:06,958 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:06,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:06,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:06,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1804998154, now seen corresponding path program 1 times [2024-11-23 23:07:06,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:06,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485207866] [2024-11-23 23:07:06,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:06,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:07,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:07:07,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485207866] [2024-11-23 23:07:07,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485207866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473900515] [2024-11-23 23:07:07,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:07,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:07,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:07,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:07,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:07:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:07,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:07:07,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:08,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 23:07:08,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:07:08,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:07:08,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:07:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473900515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:07:08,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:07:08,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2024-11-23 23:07:08,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054363068] [2024-11-23 23:07:08,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:07:08,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:07:08,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:07:08,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:07:08,418 INFO L87 Difference]: Start difference. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:08,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:08,590 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2024-11-23 23:07:08,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 56 transitions. [2024-11-23 23:07:08,596 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 22 [2024-11-23 23:07:08,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 33 states and 42 transitions. [2024-11-23 23:07:08,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-23 23:07:08,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-23 23:07:08,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2024-11-23 23:07:08,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:07:08,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-23 23:07:08,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2024-11-23 23:07:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2024-11-23 23:07:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 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) [2024-11-23 23:07:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2024-11-23 23:07:08,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2024-11-23 23:07:08,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:08,660 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2024-11-23 23:07:08,660 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 23:07:08,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2024-11-23 23:07:08,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:08,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:08,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:08,662 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 23:07:08,662 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 23:07:08,662 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1;" "assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#1(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#4(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#3(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#2(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1;" "call f_#t~mem8#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;" [2024-11-23 23:07:08,662 INFO L749 eck$LassoCheckResult]: Loop: "call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0;" "assume !f_#t~short13#1;" "assume f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;" "havoc f_#t~nondet14#1;" "assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#1(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#4(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1;" [2024-11-23 23:07:08,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash 889509741, now seen corresponding path program 1 times [2024-11-23 23:07:08,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:08,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176857405] [2024-11-23 23:07:08,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:08,736 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:08,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:08,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 54553413, now seen corresponding path program 1 times [2024-11-23 23:07:08,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:08,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514836683] [2024-11-23 23:07:08,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:08,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:07:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514836683] [2024-11-23 23:07:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514836683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022903559] [2024-11-23 23:07:08,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:08,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:08,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:07:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:08,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:07:08,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:08,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:07:08,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022903559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:07:08,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:07:08,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-23 23:07:08,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141292238] [2024-11-23 23:07:08,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:07:08,902 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-23 23:07:08,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:07:08,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:08,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:08,903 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:08,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:08,948 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-23 23:07:08,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2024-11-23 23:07:08,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:08,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 21 states and 24 transitions. [2024-11-23 23:07:08,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-23 23:07:08,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-23 23:07:08,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 24 transitions. [2024-11-23 23:07:08,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:07:08,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-23 23:07:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 24 transitions. [2024-11-23 23:07:08,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-23 23:07:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-23 23:07:08,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-23 23:07:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:08,960 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-23 23:07:08,960 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 23:07:08,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2024-11-23 23:07:08,961 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:08,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:08,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:08,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 23:07:08,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 23:07:08,962 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1;" "assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#1(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#4(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#3(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#2(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1;" "call f_#t~mem8#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;" [2024-11-23 23:07:08,962 INFO L749 eck$LassoCheckResult]: Loop: "call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0;" "assume f_#t~short13#1;call f_#t~mem12#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0;" "assume f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;" "havoc f_#t~nondet14#1;" "assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#1(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#4(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1;" [2024-11-23 23:07:08,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:08,962 INFO L85 PathProgramCache]: Analyzing trace with hash 889509741, now seen corresponding path program 2 times [2024-11-23 23:07:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:08,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992646329] [2024-11-23 23:07:08,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,034 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:09,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:09,082 INFO L85 PathProgramCache]: Analyzing trace with hash 54493831, now seen corresponding path program 1 times [2024-11-23 23:07:09,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:09,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899090250] [2024-11-23 23:07:09,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:09,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,101 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:09,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:09,110 INFO L85 PathProgramCache]: Analyzing trace with hash -353079653, now seen corresponding path program 1 times [2024-11-23 23:07:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:09,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045550300] [2024-11-23 23:07:09,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:09,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,156 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:09,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:13,601 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 23:07:13,601 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 23:07:13,602 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 23:07:13,602 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 23:07:13,602 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 23:07:13,602 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:13,602 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 23:07:13,602 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 23:07:13,602 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2024-11-23 23:07:13,603 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 23:07:13,603 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 23:07:13,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:13,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:15,703 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 23:07:15,710 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 23:07:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 23:07:15,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:15,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:15,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:15,742 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:15,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,759 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 23:07:15,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:15,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:15,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:15,795 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 23:07:15,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 23:07:15,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:15,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:15,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:15,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 23:07:15,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:15,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:15,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-23 23:07:15,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 23:07:15,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:15,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:15,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:15,924 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:15,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 23:07:15,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:15,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:15,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:15,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:15,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:15,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:15,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:15,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:15,967 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:15,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:15,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:15,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:15,982 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:15,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-23 23:07:15,987 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 [2024-11-23 23:07:16,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,015 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:16,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:16,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 23:07:16,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:16,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,067 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:16,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-23 23:07:16,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,082 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 23:07:16,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:16,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:16,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:16,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,145 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 23:07:16,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:16,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:16,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 23:07:16,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,187 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 23:07:16,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:16,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:16,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:16,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,237 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-23 23:07:16,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:16,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:16,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:16,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:16,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:16,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:16,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:16,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 23:07:16,290 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 23:07:16,294 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 23:07:16,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:16,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:16,301 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:16,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 23:07:16,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 23:07:16,328 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-23 23:07:16,328 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 23:07:16,328 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#4 ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_1) = 1*v_rep(select (select #memory_int#4 ULTIMATE.start_f_~y~0#1.base) ULTIMATE.start_f_~y~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_f_~d_ref~0#1.base) ULTIMATE.start_f_~d_ref~0#1.offset)_1 - 1 >= 0] [2024-11-23 23:07:16,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-23 23:07:16,633 INFO L156 tatePredicateManager]: 45 out of 46 supporting invariants were superfluous and have been removed [2024-11-23 23:07:16,640 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 23:07:16,641 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 23:07:16,641 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-11-23 23:07:16,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:16,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:07:16,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:16,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:07:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:16,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:07:16,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:16,985 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-23 23:07:16,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 24 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:17,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 24 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 38 transitions. Complement of second has 10 states. [2024-11-23 23:07:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 23:07:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2024-11-23 23:07:17,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-23 23:07:17,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:17,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 23:07:17,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:17,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-23 23:07:17,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:17,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2024-11-23 23:07:17,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:17,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 32 states and 37 transitions. [2024-11-23 23:07:17,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-11-23 23:07:17,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-23 23:07:17,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2024-11-23 23:07:17,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 23:07:17,132 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 37 transitions. [2024-11-23 23:07:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2024-11-23 23:07:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2024-11-23 23:07:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-23 23:07:17,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-23 23:07:17,138 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-23 23:07:17,138 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 23:07:17,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 36 transitions. [2024-11-23 23:07:17,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:17,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:17,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:17,141 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 23:07:17,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-23 23:07:17,141 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1;" "assume !(0 != main_#t~nondet21#1);havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#1(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#4(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#3(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#2(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1;" "call f_#t~mem8#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;" [2024-11-23 23:07:17,141 INFO L749 eck$LassoCheckResult]: Loop: "call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0;" "assume f_#t~short13#1;call f_#t~mem12#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0;" "assume f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;" "havoc f_#t~nondet14#1;" "assume !(0 != f_#t~nondet14#1);havoc f_#t~nondet14#1;call f_#t~mem19#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);call f_#t~mem20#1 := read~int#1(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#4(f_#t~mem19#1 - f_#t~mem20#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~mem19#1;havoc f_#t~mem20#1;" [2024-11-23 23:07:17,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash 891079725, now seen corresponding path program 1 times [2024-11-23 23:07:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:17,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987243957] [2024-11-23 23:07:17,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,186 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:17,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-23 23:07:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:17,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:17,209 INFO L85 PathProgramCache]: Analyzing trace with hash 103163386, now seen corresponding path program 1 times [2024-11-23 23:07:17,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:17,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273628891] [2024-11-23 23:07:17,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,219 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:17,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:17,226 INFO L85 PathProgramCache]: Analyzing trace with hash 171840846, now seen corresponding path program 1 times [2024-11-23 23:07:17,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:17,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143390086] [2024-11-23 23:07:17,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:17,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,257 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:17,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:20,212 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 23:07:20,212 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 23:07:20,212 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 23:07:20,212 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 23:07:20,212 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 23:07:20,212 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:20,213 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 23:07:20,213 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 23:07:20,213 INFO L132 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2024-11-23 23:07:20,213 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 23:07:20,213 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 23:07:20,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:20,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:21,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:21,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:21,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:21,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:21,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:07:22,061 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 23:07:22,061 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 23:07:22,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,064 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-23 23:07:22,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,087 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-23 23:07:22,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,096 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 23:07:22,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-23 23:07:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 23:07:22,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-23 23:07:22,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,166 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-23 23:07:22,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-23 23:07:22,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,193 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-23 23:07:22,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:22,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,220 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-23 23:07:22,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-23 23:07:22,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,246 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-23 23:07:22,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,266 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-23 23:07:22,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,278 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-23 23:07:22,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-23 23:07:22,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,306 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-23 23:07:22,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-23 23:07:22,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,331 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 23:07:22,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-23 23:07:22,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,361 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-23 23:07:22,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,380 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:22,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,391 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-23 23:07:22,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-23 23:07:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,416 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-23 23:07:22,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,443 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,455 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-23 23:07:22,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:07:22,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:07:22,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:07:22,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-23 23:07:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,492 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-23 23:07:22,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,521 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-23 23:07:22,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,534 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-23 23:07:22,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:22,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,568 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-23 23:07:22,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:07:22,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-23 23:07:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,609 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:07:22,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-23 23:07:22,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:07:22,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:07:22,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:07:22,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:07:22,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:07:22,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:07:22,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 23:07:22,674 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-23 23:07:22,674 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-23 23:07:22,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:07:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:22,677 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:22,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-23 23:07:22,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 23:07:22,698 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-23 23:07:22,698 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 23:07:22,698 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#4 ULTIMATE.start_f_~y~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#4 ULTIMATE.start_f_~y~0#1.base) 0)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_f_~d_ref~0#1.base) 0)_1 - 2 >= 0] [2024-11-23 23:07:22,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-23 23:07:23,003 INFO L156 tatePredicateManager]: 53 out of 56 supporting invariants were superfluous and have been removed [2024-11-23 23:07:23,010 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-23 23:07:23,010 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-23 23:07:23,010 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-11-23 23:07:23,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:23,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 23:07:23,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:23,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:07:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:23,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-23 23:07:23,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:23,305 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-23 23:07:23,305 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:23,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 43 states and 50 transitions. Complement of second has 10 states. [2024-11-23 23:07:23,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-23 23:07:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 23 transitions. [2024-11-23 23:07:23,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 6 letters. Loop has 5 letters. [2024-11-23 23:07:23,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:23,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-23 23:07:23,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:23,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 23 transitions. Stem has 6 letters. Loop has 10 letters. [2024-11-23 23:07:23,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:07:23,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2024-11-23 23:07:23,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:23,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 42 states and 49 transitions. [2024-11-23 23:07:23,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-11-23 23:07:23,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-23 23:07:23,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2024-11-23 23:07:23,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-23 23:07:23,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 49 transitions. [2024-11-23 23:07:23,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2024-11-23 23:07:23,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2024-11-23 23:07:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.170731707317073) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-23 23:07:23,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-23 23:07:23,436 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-23 23:07:23,436 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 23:07:23,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 48 transitions. [2024-11-23 23:07:23,437 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-23 23:07:23,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:07:23,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:07:23,437 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:23,437 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-23 23:07:23,437 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet21#1;havoc main_#t~nondet21#1;" "assume 0 != main_#t~nondet21#1;havoc main_#t~nondet21#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~malloc2#1.base, f_#t~malloc2#1.offset, f_#t~malloc3#1.base, f_#t~malloc3#1.offset, f_#t~malloc4#1.base, f_#t~malloc4#1.offset, f_#t~malloc5#1.base, f_#t~malloc5#1.offset, f_#t~malloc6#1.base, f_#t~malloc6#1.offset, f_#t~mem7#1, f_#t~mem8#1, f_#t~mem9#1, f_#t~mem10#1, f_#t~mem11#1, f_#t~mem12#1, f_#t~short13#1, f_#t~nondet14#1, f_#t~mem15#1, f_#t~mem16#1, f_#t~nondet17#1, f_#t~mem18#1, f_#t~mem19#1, f_#t~mem20#1, f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, f_~x~0#1.base, f_~x~0#1.offset, f_~y~0#1.base, f_~y~0#1.offset, f_~k~0#1.base, f_~k~0#1.offset, f_~z~0#1.base, f_~z~0#1.offset;f_~d#1 := f_#in~d#1;call f_#t~malloc2#1.base, f_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);f_~d_ref~0#1.base, f_~d_ref~0#1.offset := f_#t~malloc2#1.base, f_#t~malloc2#1.offset;call f_#t~malloc3#1.base, f_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);f_~x~0#1.base, f_~x~0#1.offset := f_#t~malloc3#1.base, f_#t~malloc3#1.offset;call f_#t~malloc4#1.base, f_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);f_~y~0#1.base, f_~y~0#1.offset := f_#t~malloc4#1.base, f_#t~malloc4#1.offset;call f_#t~malloc5#1.base, f_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);f_~k~0#1.base, f_~k~0#1.offset := f_#t~malloc5#1.base, f_#t~malloc5#1.offset;call f_#t~malloc6#1.base, f_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);f_~z~0#1.base, f_~z~0#1.offset := f_#t~malloc6#1.base, f_#t~malloc6#1.offset;call write~int#1(f_~d#1, f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(1, f_~x~0#1.base, f_~x~0#1.offset, 4);call write~int#4(1, f_~y~0#1.base, f_~y~0#1.offset, 4);call write~int#3(1, f_~k~0#1.base, f_~k~0#1.offset, 4);call write~int#2(1, f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem7#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem7#1 > 1073741823);havoc f_#t~mem7#1;" "call f_#t~mem8#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call f_#t~mem9#1 := read~int#3(f_~k~0#1.base, f_~k~0#1.offset, 4);" "assume !(f_#t~mem8#1 < f_#t~mem9#1);havoc f_#t~mem8#1;havoc f_#t~mem9#1;" "call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0;" "assume f_#t~short13#1;call f_#t~mem12#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0;" "assume f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;" "havoc f_#t~nondet14#1;" "assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1;" [2024-11-23 23:07:23,438 INFO L749 eck$LassoCheckResult]: Loop: "call f_#t~mem15#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);call f_#t~mem16#1 := read~int#1(f_~d_ref~0#1.base, f_~d_ref~0#1.offset, 4);call write~int#0(f_#t~mem15#1 - f_#t~mem16#1, f_~x~0#1.base, f_~x~0#1.offset, 4);havoc f_#t~nondet17#1;call write~int#4(f_#t~nondet17#1, f_~y~0#1.base, f_~y~0#1.offset, 4);havoc f_#t~nondet17#1;call f_#t~mem18#1 := read~int#2(f_~z~0#1.base, f_~z~0#1.offset, 4);call write~int#2(f_#t~mem18#1 - 1, f_~z~0#1.base, f_~z~0#1.offset, 4);havoc f_#t~mem18#1;" "call f_#t~mem11#1 := read~int#0(f_~x~0#1.base, f_~x~0#1.offset, 4);f_#t~short13#1 := f_#t~mem11#1 > 0;" "assume f_#t~short13#1;call f_#t~mem12#1 := read~int#4(f_~y~0#1.base, f_~y~0#1.offset, 4);f_#t~short13#1 := f_#t~mem12#1 > 0;" "assume f_#t~short13#1;havoc f_#t~mem11#1;havoc f_#t~mem12#1;havoc f_#t~short13#1;" "havoc f_#t~nondet14#1;" "assume 0 != f_#t~nondet14#1;havoc f_#t~nondet14#1;" [2024-11-23 23:07:23,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:23,438 INFO L85 PathProgramCache]: Analyzing trace with hash -353079657, now seen corresponding path program 1 times [2024-11-23 23:07:23,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:23,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327124287] [2024-11-23 23:07:23,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:23,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:23,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:23,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:23,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:23,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:23,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2093287144, now seen corresponding path program 1 times [2024-11-23 23:07:23,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:23,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178447384] [2024-11-23 23:07:23,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:23,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:23,586 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:07:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:07:23,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:07:23,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1401659182, now seen corresponding path program 1 times [2024-11-23 23:07:23,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:07:23,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066234693] [2024-11-23 23:07:23,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:24,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:07:24,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066234693] [2024-11-23 23:07:24,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066234693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:07:24,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407732620] [2024-11-23 23:07:24,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:24,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:07:24,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:24,167 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:07:24,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-23 23:07:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:24,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:07:24,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:24,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:07:24,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:07:24,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-23 23:07:24,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-23 23:07:24,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:07:24,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:07:24,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407732620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:07:24,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:07:24,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-11-23 23:07:24,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162119632] [2024-11-23 23:07:24,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:07:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:07:24,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:07:24,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:07:24,872 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. cyclomatic complexity: 11 Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:07:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:24,979 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-23 23:07:24,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2024-11-23 23:07:24,980 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 23:07:24,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2024-11-23 23:07:24,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 23:07:24,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 23:07:24,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 23:07:24,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:07:24,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:07:24,981 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:07:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:07:24,982 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:07:24,982 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-23 23:07:24,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:07:24,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 23:07:24,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 23:07:24,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:07:24 BoogieIcfgContainer [2024-11-23 23:07:24,993 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 23:07:24,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:07:24,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:07:24,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:07:24,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:07:06" (3/4) ... [2024-11-23 23:07:24,997 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:07:24,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:07:24,999 INFO L158 Benchmark]: Toolchain (without parser) took 20156.09ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.6MB in the beginning and 169.8MB in the end (delta: -76.2MB). Peak memory consumption was 158.0MB. Max. memory is 16.1GB. [2024-11-23 23:07:25,000 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:25,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.74ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:07:25,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.50ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:25,001 INFO L158 Benchmark]: Boogie Preprocessor took 64.36ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:25,002 INFO L158 Benchmark]: RCFGBuilder took 773.77ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:07:25,002 INFO L158 Benchmark]: BuchiAutomizer took 18687.44ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 169.9MB in the end (delta: -117.0MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. [2024-11-23 23:07:25,003 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 352.3MB. Free memory was 169.9MB in the beginning and 169.8MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:25,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.74ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.50ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.36ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 773.77ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 18687.44ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 169.9MB in the end (delta: -117.0MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 352.3MB. Free memory was 169.9MB in the beginning and 169.8MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~y~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~y~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.6s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 17.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 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, 136 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 108 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital314 mio100 ax105 hnf100 lsp94 ukn71 mio100 lsp26 div100 bol100 ite100 ukn100 eq164 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 23:07:25,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:25,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:25,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:07:25,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f59f154c-c74d-4157-9d2d-7aab9e655f9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE