./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:02,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:02,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:47:02,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:02,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:02,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:02,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:02,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:02,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:02,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:02,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:02,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:02,230 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:02,231 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:47:02,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:47:02,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:02,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:02,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:02,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:02,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:47:02,234 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:47:02,234 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_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 [2024-11-28 02:47:02,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:02,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:02,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:02,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:02,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:02,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2024-11-28 02:47:05,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/db68084f8/e4c658a247cb4b6eb5a9032024fb77bb/FLAGe526c808a [2024-11-28 02:47:05,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:05,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2024-11-28 02:47:05,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/db68084f8/e4c658a247cb4b6eb5a9032024fb77bb/FLAGe526c808a [2024-11-28 02:47:05,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/db68084f8/e4c658a247cb4b6eb5a9032024fb77bb [2024-11-28 02:47:05,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:05,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:05,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:05,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:05,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:05,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:05" (1/1) ... [2024-11-28 02:47:05,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666ef18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:05, skipping insertion in model container [2024-11-28 02:47:05,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:05" (1/1) ... [2024-11-28 02:47:05,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:06,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:06,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:06,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:06,435 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:06,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06 WrapperNode [2024-11-28 02:47:06,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:06,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:06,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:06,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:06,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,478 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-28 02:47:06,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:06,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:06,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:06,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:06,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,506 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 5 writes are split as follows [2, 3]. [2024-11-28 02:47:06,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,510 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:06,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:06,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:06,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:06,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (1/1) ... [2024-11-28 02:47:06,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:06,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:06,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:06,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:47:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:06,709 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:06,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:06,827 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:06,827 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:06,836 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:06,836 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:47:06,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:06 BoogieIcfgContainer [2024-11-28 02:47:06,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:06,837 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:47:06,838 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:47:06,843 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:47:06,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:06,844 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:47:05" (1/3) ... [2024-11-28 02:47:06,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70d74b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:47:06, skipping insertion in model container [2024-11-28 02:47:06,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:06,846 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:06" (2/3) ... [2024-11-28 02:47:06,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70d74b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:47:06, skipping insertion in model container [2024-11-28 02:47:06,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:47:06,846 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:06" (3/3) ... [2024-11-28 02:47:06,848 INFO L363 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2024-11-28 02:47:06,897 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:47:06,897 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:47:06,897 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:47:06,898 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:47:06,898 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:47:06,898 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:47:06,898 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:47:06,898 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:47:06,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:06,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:06,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:06,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:06,928 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:06,928 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:06,929 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:47:06,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:06,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:06,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:06,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:06,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:06,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:06,940 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:47:06,940 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1;" [2024-11-28 02:47:06,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:06,947 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:47:06,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026481590] [2024-11-28 02:47:06,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:06,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:07,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:07,117 INFO L85 PathProgramCache]: Analyzing trace with hash 34453422, now seen corresponding path program 1 times [2024-11-28 02:47:07,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:07,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886584880] [2024-11-28 02:47:07,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,145 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:07,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:07,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1805892908, now seen corresponding path program 1 times [2024-11-28 02:47:07,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:07,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969138032] [2024-11-28 02:47:07,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:07,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,226 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:07,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:08,046 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:08,047 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:08,047 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:08,048 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:08,048 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:08,048 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:08,048 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:08,048 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:08,048 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration1_Lasso [2024-11-28 02:47:08,048 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:08,049 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:08,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:08,907 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:08,911 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:08,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:08,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:08,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:08,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:47:08,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:08,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:08,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:08,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:08,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:08,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:08,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:08,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:08,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:08,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 02:47:08,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:08,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:08,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:08,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:47:08,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:08,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:08,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:08,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:08,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:08,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:08,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:08,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:08,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:47:08,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:08,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:47:09,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:09,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:09,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:09,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:47:09,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:09,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:09,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:09,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:47:09,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,075 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:47:09,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:09,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:09,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:09,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,116 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:47:09,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:09,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:09,150 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:47:09,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:47:09,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:09,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:09,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:09,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,196 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:47:09,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:09,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:09,232 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:47:09,249 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 [2024-11-28 02:47:09,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:09,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:09,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:47:09,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:09,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:09,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:09,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,335 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:47:09,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:09,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:09,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:09,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:09,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:09,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:09,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:09,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:09,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:09,370 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:47:09,373 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:47:09,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:09,387 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:47:09,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:09,394 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:47:09,394 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:09,395 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2024-11-28 02:47:09,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:09,462 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-11-28 02:47:09,467 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:47:09,468 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:47:09,469 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-11-28 02:47:09,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:09,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:09,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:09,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:47:09,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:09,724 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:47:09,726 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:09,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 02:47:09,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 45 transitions. Complement of second has 10 states. [2024-11-28 02:47:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2024-11-28 02:47:09,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-28 02:47:09,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:09,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-28 02:47:09,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:09,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-28 02:47:09,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:09,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2024-11-28 02:47:09,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:09,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 19 states and 25 transitions. [2024-11-28 02:47:09,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 02:47:09,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-28 02:47:09,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2024-11-28 02:47:09,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:09,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2024-11-28 02:47:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2024-11-28 02:47:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-11-28 02:47:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2024-11-28 02:47:09,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-28 02:47:09,897 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-28 02:47:09,897 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:47:09,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2024-11-28 02:47:09,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:09,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:09,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:09,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:09,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:09,898 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume !main_#t~short8#1;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#1(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1;" [2024-11-28 02:47:09,898 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1;" [2024-11-28 02:47:09,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:09,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1805952492, now seen corresponding path program 1 times [2024-11-28 02:47:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:09,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192142520] [2024-11-28 02:47:09,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:10,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:47:10,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192142520] [2024-11-28 02:47:10,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192142520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:10,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496486003] [2024-11-28 02:47:10,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:10,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:10,033 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:10,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 02:47:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:10,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:10,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:10,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:10,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496486003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:47:10,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:47:10,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 02:47:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600225579] [2024-11-28 02:47:10,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:47:10,119 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 02:47:10,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:10,119 INFO L85 PathProgramCache]: Analyzing trace with hash 34453422, now seen corresponding path program 2 times [2024-11-28 02:47:10,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:10,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672139775] [2024-11-28 02:47:10,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:10,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,135 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:47:10,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:10,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:10,336 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:10,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:10,349 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2024-11-28 02:47:10,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2024-11-28 02:47:10,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:10,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 20 transitions. [2024-11-28 02:47:10,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 02:47:10,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 02:47:10,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-11-28 02:47:10,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:10,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-28 02:47:10,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-11-28 02:47:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-28 02:47:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-11-28 02:47:10,356 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-28 02:47:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:10,358 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-28 02:47:10,358 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:47:10,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-11-28 02:47:10,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:10,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:10,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:10,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:10,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:10,359 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#1(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1;" [2024-11-28 02:47:10,360 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1;" [2024-11-28 02:47:10,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1805892910, now seen corresponding path program 1 times [2024-11-28 02:47:10,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:10,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164596561] [2024-11-28 02:47:10,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:10,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,397 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:10,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash 34453422, now seen corresponding path program 3 times [2024-11-28 02:47:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:10,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244264649] [2024-11-28 02:47:10,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:10,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,448 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:10,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:10,460 INFO L85 PathProgramCache]: Analyzing trace with hash 889335457, now seen corresponding path program 1 times [2024-11-28 02:47:10,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:10,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806696566] [2024-11-28 02:47:10,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,505 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:10,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:11,320 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:11,321 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:11,321 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:11,321 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:11,321 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:11,321 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:11,321 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:11,321 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:11,321 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration3_Lasso [2024-11-28 02:47:11,321 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:11,321 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:11,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:11,957 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:11,957 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:11,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:11,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:11,959 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:11,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:47:11,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:11,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:11,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:11,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:11,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:11,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:11,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:11,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:11,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:11,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:11,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:11,996 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:12,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:47:12,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:12,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:12,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:12,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:12,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:12,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:12,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:12,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:12,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:47:12,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:12,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:12,040 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:12,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:47:12,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:12,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:12,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:12,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:12,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:12,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:12,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:12,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:12,063 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:12,070 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:47:12,070 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:47:12,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:12,074 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:12,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:47:12,076 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:12,076 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:47:12,076 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:12,077 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2024-11-28 02:47:12,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:47:12,126 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-28 02:47:12,128 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:47:12,128 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:47:12,129 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-11-28 02:47:12,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:12,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:12,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:12,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:47:12,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:12,306 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:47:12,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:12,353 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 32 transitions. Complement of second has 7 states. [2024-11-28 02:47:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-28 02:47:12,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-28 02:47:12,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:12,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 5 letters. [2024-11-28 02:47:12,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:12,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 10 letters. [2024-11-28 02:47:12,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:12,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2024-11-28 02:47:12,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:12,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2024-11-28 02:47:12,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-28 02:47:12,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-28 02:47:12,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2024-11-28 02:47:12,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:12,359 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-28 02:47:12,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2024-11-28 02:47:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-28 02:47:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-11-28 02:47:12,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-28 02:47:12,362 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-11-28 02:47:12,362 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:47:12,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2024-11-28 02:47:12,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 02:47:12,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:12,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:12,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1] [2024-11-28 02:47:12,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:12,364 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1;" "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#1(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1;" "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#1(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1;" [2024-11-28 02:47:12,364 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int#1(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1;" [2024-11-28 02:47:12,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,365 INFO L85 PathProgramCache]: Analyzing trace with hash 889335459, now seen corresponding path program 2 times [2024-11-28 02:47:12,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:12,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48827199] [2024-11-28 02:47:12,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,411 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:12,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash 34453422, now seen corresponding path program 4 times [2024-11-28 02:47:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030558424] [2024-11-28 02:47:12,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,465 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:12,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,479 INFO L85 PathProgramCache]: Analyzing trace with hash 833183308, now seen corresponding path program 2 times [2024-11-28 02:47:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:12,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543933225] [2024-11-28 02:47:12,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,522 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:12,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:13,465 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:13,465 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:13,465 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:13,465 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:13,465 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:13,465 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:13,465 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:13,465 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:13,465 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration4_Lasso [2024-11-28 02:47:13,466 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:13,466 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:13,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:47:13,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:13,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:14,092 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:14,092 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:14,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,095 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:47:14,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:47:14,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,129 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:47:14,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:47:14,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,157 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:47:14,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,186 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:47:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,198 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:47:14,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:47:14,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,236 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:47:14,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:14,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,270 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:47:14,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:47:14,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,305 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 02:47:14,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:14,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 02:47:14,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,331 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:47:14,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:14,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:14,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:14,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:14,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:14,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:14,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:14,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:14,373 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-28 02:47:14,373 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-28 02:47:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,375 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:47:14,377 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:14,389 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:47:14,390 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:14,390 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2024-11-28 02:47:14,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 02:47:14,436 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-28 02:47:14,438 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:47:14,438 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:47:14,438 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] [2024-11-28 02:47:14,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:14,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:47:14,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:14,678 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 [2024-11-28 02:47:14,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:14,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 8 states. [2024-11-28 02:47:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-28 02:47:14,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 12 letters. Loop has 5 letters. [2024-11-28 02:47:14,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:14,763 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:47:14,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:14,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:47:14,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:14,969 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-28 02:47:14,969 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,046 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 8 states. [2024-11-28 02:47:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-11-28 02:47:15,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 12 letters. Loop has 5 letters. [2024-11-28 02:47:15,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:15,048 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:47:15,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:15,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:15,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:15,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:47:15,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:15,264 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-11-28 02:47:15,265 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 48 transitions. Complement of second has 7 states. [2024-11-28 02:47:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-11-28 02:47:15,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 5 letters. [2024-11-28 02:47:15,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:15,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 17 letters. Loop has 5 letters. [2024-11-28 02:47:15,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:15,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 10 letters. [2024-11-28 02:47:15,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:15,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2024-11-28 02:47:15,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 02:47:15,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 38 transitions. [2024-11-28 02:47:15,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-28 02:47:15,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-28 02:47:15,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 38 transitions. [2024-11-28 02:47:15,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:47:15,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-28 02:47:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 38 transitions. [2024-11-28 02:47:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 12. [2024-11-28 02:47:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2024-11-28 02:47:15,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-28 02:47:15,343 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-11-28 02:47:15,344 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:47:15,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2024-11-28 02:47:15,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 02:47:15,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:47:15,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:47:15,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:47:15,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:47:15,345 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int#0(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1;" [2024-11-28 02:47:15,345 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0;" "assume main_#t~short8#1;call main_#t~mem7#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0;" "assume main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;" "havoc main_#t~nondet9#1;" "assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int#1(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int#0(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1;" [2024-11-28 02:47:15,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,345 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-28 02:47:15,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:15,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416771515] [2024-11-28 02:47:15,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,364 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:15,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,373 INFO L85 PathProgramCache]: Analyzing trace with hash 34453424, now seen corresponding path program 1 times [2024-11-28 02:47:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546269836] [2024-11-28 02:47:15,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:15,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1805892910, now seen corresponding path program 3 times [2024-11-28 02:47:15,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:47:15,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431114663] [2024-11-28 02:47:15,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,403 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:15,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:47:15,805 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:47:15,806 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:47:15,806 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:47:15,806 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:47:15,806 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:47:15,806 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:15,806 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:47:15,806 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:47:15,806 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration5_Lasso [2024-11-28 02:47:15,806 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:47:15,806 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:47:15,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:15,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 02:47:16,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:47:16,385 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:47:16,385 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:47:16,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:16,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:16,389 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:16,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:47:16,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:16,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:16,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:47:16,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:16,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:16,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:16,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:47:16,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:47:16,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:47:16,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:47:16,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:16,413 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:16,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:47:16,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:47:16,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:47:16,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:47:16,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:47:16,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:47:16,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:47:16,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:47:16,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:47:16,451 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 02:47:16,452 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 02:47:16,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:47:16,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:16,455 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:16,459 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:47:16,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:47:16,471 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:47:16,471 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:47:16,471 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~y~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~y~0#1.base) 0)_2 Supporting invariants [] [2024-11-28 02:47:16,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 02:47:16,507 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2024-11-28 02:47:16,508 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 02:47:16,509 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 02:47:16,509 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y~0!base,]]] [2024-11-28 02:47:16,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:16,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:47:16,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:16,643 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:47:16,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:16,712 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 8 states. [2024-11-28 02:47:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:47:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 02:47:16,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 5 letters. [2024-11-28 02:47:16,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:16,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 7 letters. Loop has 5 letters. [2024-11-28 02:47:16,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:16,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 10 letters. [2024-11-28 02:47:16,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:47:16,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2024-11-28 02:47:16,715 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:47:16,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2024-11-28 02:47:16,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:47:16,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:47:16,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:47:16,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:47:16,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:16,716 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:16,716 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:47:16,716 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 02:47:16,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:47:16,716 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:47:16,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:47:16,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:47:16 BoogieIcfgContainer [2024-11-28 02:47:16,726 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:47:16,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:16,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:16,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:16,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:06" (3/4) ... [2024-11-28 02:47:16,731 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:16,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:16,734 INFO L158 Benchmark]: Toolchain (without parser) took 10823.29ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 265.1MB in the end (delta: -171.3MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:16,735 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:16,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.28ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 77.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:16,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.31ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:16,737 INFO L158 Benchmark]: Boogie Preprocessor took 44.92ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:16,737 INFO L158 Benchmark]: RCFGBuilder took 307.21ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 64.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:16,738 INFO L158 Benchmark]: BuchiAutomizer took 9888.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 265.1MB in the end (delta: -201.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-28 02:47:16,739 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 352.3MB. Free memory was 265.1MB in the beginning and 265.1MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:16,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.28ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 77.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.31ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.92ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.21ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 64.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9888.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 64.0MB in the beginning and 265.1MB in the end (delta: -201.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 352.3MB. Free memory was 265.1MB in the beginning and 265.1MB in the end (delta: 72.0kB). 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#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~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 (1 trivial, 3 deterministic, 1 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 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.8s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 54 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax110 hnf100 lsp90 ukn70 mio100 lsp22 div100 bol100 ite100 ukn100 eq159 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:47:16,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:16,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 02:47:17,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac110b55-9692-45cc-a776-b5bced59e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE