./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:42,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:42,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:46:42,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:42,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:42,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:42,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:42,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:42,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:42,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:42,435 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:42,436 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:46:42,436 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:46:42,438 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:46:42,440 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:46:42,440 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:46:42,441 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:46:42,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:42,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:46:42,444 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:42,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:42,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:42,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:42,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:46:42,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:46:42,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:46:42,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:42,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:42,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:42,450 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:46:42,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:42,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:42,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:42,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:42,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:42,453 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:46:42,453 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 [2023-11-19 07:46:42,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:42,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:42,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:42,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:42,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:42,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2023-11-19 07:46:45,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:46,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:46,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2023-11-19 07:46:46,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/data/1c2917a08/7541c26035004b14b94aceb4184644f3/FLAGfa2b5ac50 [2023-11-19 07:46:46,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/data/1c2917a08/7541c26035004b14b94aceb4184644f3 [2023-11-19 07:46:46,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:46,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:46,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:46,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:46,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:46,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a19c6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46, skipping insertion in model container [2023-11-19 07:46:46,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:46,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:46,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:46,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:46,858 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:46,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46 WrapperNode [2023-11-19 07:46:46,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:46,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:46,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:46,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:46,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,916 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-19 07:46:46,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:46,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:46,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:46,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:46,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:46,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:46,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:46,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:46,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (1/1) ... [2023-11-19 07:46:46,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:46,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:46,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:46:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:47,150 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:47,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:47,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:47,351 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:47,352 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:46:47,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:47 BoogieIcfgContainer [2023-11-19 07:46:47,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:47,359 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:46:47,360 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:46:47,363 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:46:47,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:47,364 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:46:46" (1/3) ... [2023-11-19 07:46:47,365 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2d2798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:47, skipping insertion in model container [2023-11-19 07:46:47,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:47,365 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:46" (2/3) ... [2023-11-19 07:46:47,366 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d2d2798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:47, skipping insertion in model container [2023-11-19 07:46:47,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:47,366 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:47" (3/3) ... [2023-11-19 07:46:47,367 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-1.i [2023-11-19 07:46:47,421 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:46:47,421 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:46:47,422 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:46:47,422 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:46:47,422 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:46:47,422 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:46:47,422 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:46:47,423 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:46:47,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:47,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:47,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:47,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:47,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:46:47,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:47,451 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:46:47,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:47,453 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:47,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:47,453 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:47,454 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:46:47,454 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:46:47,462 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L531true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 14#L531-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 13#L536-3true [2023-11-19 07:46:47,462 INFO L750 eck$LassoCheckResult]: Loop: 13#L536-3true assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 3#L536-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 13#L536-3true [2023-11-19 07:46:47,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:47,469 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-19 07:46:47,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:47,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129356308] [2023-11-19 07:46:47,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:47,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-19 07:46:47,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:47,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518696890] [2023-11-19 07:46:47,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:47,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:47,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:47,773 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-19 07:46:47,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:47,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435506909] [2023-11-19 07:46:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:47,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:47,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:48,324 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:48,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:48,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:48,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:48,325 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:48,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:48,326 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:48,326 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:48,326 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration1_Lasso [2023-11-19 07:46:48,326 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:48,327 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:48,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:48,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:48,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:48,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:48,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:48,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,003 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 [2023-11-19 07:46:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:46:49,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:49,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:49,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:49,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:49,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:49,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:49,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:49,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:49,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:49,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:49,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:49,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:49,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:49,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:49,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:49,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:49,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:49,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:49,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:46:49,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:49,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:49,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:49,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,151 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 [2023-11-19 07:46:49,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:49,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:49,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:49,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:49,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:49,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:49,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:49,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:46:49,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:49,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:49,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:49,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:49,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:49,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:49,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:49,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:49,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:46:49,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:49,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:49,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:49,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:49,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:49,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:49,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:49,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:49,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:49,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:49,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:49,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:49,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:49,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:49,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:49,399 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-19 07:46:49,399 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-19 07:46:49,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:49,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:49,438 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:46:49,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:49,493 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:46:49,494 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:49,494 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 4*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0#1.offset >= 0] [2023-11-19 07:46:49,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:49,554 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-19 07:46:49,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~numbers~0!base] could not be translated [2023-11-19 07:46:49,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:49,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:49,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:49,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:46:49,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:49,713 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:46:49,715 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 07:46:49,801 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 48 transitions. Complement of second has 8 states. [2023-11-19 07:46:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 07:46:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-11-19 07:46:49,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:46:49,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:49,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-19 07:46:49,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:49,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-19 07:46:49,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:49,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 48 transitions. [2023-11-19 07:46:49,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:46:49,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 20 transitions. [2023-11-19 07:46:49,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 07:46:49,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:46:49,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2023-11-19 07:46:49,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:49,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-19 07:46:49,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2023-11-19 07:46:49,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 07:46:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 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) [2023-11-19 07:46:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2023-11-19 07:46:49,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-19 07:46:49,855 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-19 07:46:49,855 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:46:49,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2023-11-19 07:46:49,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:46:49,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:49,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:49,857 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:46:49,857 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:46:49,858 INFO L748 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 125#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 126#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 129#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 119#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 120#L515-3 [2023-11-19 07:46:49,858 INFO L750 eck$LassoCheckResult]: Loop: 120#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 121#L519-3 assume !true; 127#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 122#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 120#L515-3 [2023-11-19 07:46:49,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-19 07:46:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:49,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968653297] [2023-11-19 07:46:49,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:49,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:49,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:49,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968653297] [2023-11-19 07:46:49,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968653297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:49,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:49,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:49,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548488319] [2023-11-19 07:46:49,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:49,962 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:49,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:49,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1894772, now seen corresponding path program 1 times [2023-11-19 07:46:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:49,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839868416] [2023-11-19 07:46:49,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:49,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:49,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839868416] [2023-11-19 07:46:49,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839868416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:49,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:49,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:49,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674966006] [2023-11-19 07:46:49,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:49,978 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:49,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:49,983 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:49,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:49,988 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-19 07:46:49,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2023-11-19 07:46:49,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:46:49,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2023-11-19 07:46:49,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:46:49,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:46:49,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2023-11-19 07:46:49,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:49,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:46:49,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2023-11-19 07:46:49,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 07:46:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2023-11-19 07:46:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2023-11-19 07:46:49,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:46:49,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:49,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:46:49,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:46:49,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2023-11-19 07:46:49,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:46:49,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:49,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:49,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:46:49,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:46:49,997 INFO L748 eck$LassoCheckResult]: Stem: 165#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 160#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 161#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 164#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 154#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 155#L515-3 [2023-11-19 07:46:49,997 INFO L750 eck$LassoCheckResult]: Loop: 155#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 156#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 162#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 157#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 155#L515-3 [2023-11-19 07:46:49,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:49,998 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-19 07:46:49,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:49,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284754683] [2023-11-19 07:46:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:49,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:50,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:50,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284754683] [2023-11-19 07:46:50,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284754683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:50,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:50,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917921697] [2023-11-19 07:46:50,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:50,057 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:50,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1884201, now seen corresponding path program 1 times [2023-11-19 07:46:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721464936] [2023-11-19 07:46:50,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:50,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:50,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721464936] [2023-11-19 07:46:50,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721464936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:50,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:50,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:50,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211296895] [2023-11-19 07:46:50,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:50,092 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:50,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:50,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:50,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:50,094 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:50,107 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-19 07:46:50,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2023-11-19 07:46:50,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:50,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2023-11-19 07:46:50,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 07:46:50,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 07:46:50,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-19 07:46:50,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:50,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:46:50,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-19 07:46:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 07:46:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2023-11-19 07:46:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-19 07:46:50,112 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:46:50,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:50,114 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:46:50,114 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:46:50,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-19 07:46:50,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:50,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:50,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:50,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,116 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,116 INFO L748 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 198#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 199#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 201#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 191#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 192#L515-3 [2023-11-19 07:46:50,117 INFO L750 eck$LassoCheckResult]: Loop: 192#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 193#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 200#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 195#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 196#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 203#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 194#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 192#L515-3 [2023-11-19 07:46:50,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,117 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 3 times [2023-11-19 07:46:50,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513428638] [2023-11-19 07:46:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:50,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513428638] [2023-11-19 07:46:50,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513428638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:50,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:50,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:50,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509010775] [2023-11-19 07:46:50,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:50,176 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:50,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,176 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 1 times [2023-11-19 07:46:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834204231] [2023-11-19 07:46:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:50,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:50,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:50,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:50,493 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-19 07:46:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:50,531 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-19 07:46:50,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-19 07:46:50,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:50,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-19 07:46:50,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 07:46:50,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 07:46:50,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-19 07:46:50,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:50,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 07:46:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-19 07:46:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 07:46:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 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) [2023-11-19 07:46:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2023-11-19 07:46:50,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-19 07:46:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:50,540 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-19 07:46:50,541 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:46:50,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2023-11-19 07:46:50,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:50,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:50,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:50,543 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:50,543 INFO L748 eck$LassoCheckResult]: Stem: 240#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 236#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 237#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 239#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 227#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 228#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 229#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 230#L515-3 [2023-11-19 07:46:50,544 INFO L750 eck$LassoCheckResult]: Loop: 230#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 232#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 238#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 233#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 234#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 241#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 231#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 230#L515-3 [2023-11-19 07:46:50,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-19 07:46:50,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576897395] [2023-11-19 07:46:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:50,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,584 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 2 times [2023-11-19 07:46:50,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721248060] [2023-11-19 07:46:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:50,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:50,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:50,608 INFO L85 PathProgramCache]: Analyzing trace with hash 651542188, now seen corresponding path program 1 times [2023-11-19 07:46:50,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:50,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158429568] [2023-11-19 07:46:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:50,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158429568] [2023-11-19 07:46:50,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158429568] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:50,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874205381] [2023-11-19 07:46:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:50,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:50,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:50,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:46:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:50,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:46:50,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:50,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:50,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874205381] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:50,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:50,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-19 07:46:50,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618036573] [2023-11-19 07:46:50,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:51,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:46:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:46:51,158 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:51,246 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2023-11-19 07:46:51,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2023-11-19 07:46:51,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:51,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2023-11-19 07:46:51,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 07:46:51,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 07:46:51,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2023-11-19 07:46:51,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:51,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-19 07:46:51,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2023-11-19 07:46:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-19 07:46:51,251 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) [2023-11-19 07:46:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-19 07:46:51,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 07:46:51,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:46:51,253 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 07:46:51,253 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:46:51,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2023-11-19 07:46:51,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:46:51,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:51,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:51,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:51,255 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:51,255 INFO L748 eck$LassoCheckResult]: Stem: 387#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 382#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 383#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 385#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 373#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 374#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 386#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 389#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 375#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 376#L515-3 [2023-11-19 07:46:51,256 INFO L750 eck$LassoCheckResult]: Loop: 376#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 377#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 384#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 379#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 380#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 388#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 378#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 376#L515-3 [2023-11-19 07:46:51,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2023-11-19 07:46:51,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620811004] [2023-11-19 07:46:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:51,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 3 times [2023-11-19 07:46:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:51,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111992426] [2023-11-19 07:46:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:51,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:51,307 INFO L85 PathProgramCache]: Analyzing trace with hash 219717770, now seen corresponding path program 2 times [2023-11-19 07:46:51,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:51,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354339847] [2023-11-19 07:46:51,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:51,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:51,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:51,903 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:51,903 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:51,903 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:51,903 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:51,903 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:51,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:51,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:51,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:51,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration6_Lasso [2023-11-19 07:46:51,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:51,904 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:51,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:51,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:52,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:52,843 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:52,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:52,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:52,852 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:52,860 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 [2023-11-19 07:46:52,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:52,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:52,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:52,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:52,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:46:52,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:52,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:52,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:52,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:52,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:52,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:52,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:52,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:46:52,927 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 [2023-11-19 07:46:52,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:52,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:52,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:52,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:52,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:52,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:52,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:52,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:52,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:52,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:52,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:52,992 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 [2023-11-19 07:46:53,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:53,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:53,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:53,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:53,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:46:53,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:53,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:53,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:53,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:53,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:53,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,054 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,061 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 [2023-11-19 07:46:53,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:46:53,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:53,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:53,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:53,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:53,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:53,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:53,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:53,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,115 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,124 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 [2023-11-19 07:46:53,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:53,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:53,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:53,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:53,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:46:53,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:53,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:53,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:53,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:53,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:53,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,204 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,207 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 [2023-11-19 07:46:53,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:53,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:53,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:53,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:53,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:46:53,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:53,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:53,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:53,319 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2023-11-19 07:46:53,319 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 20 variables to zero. [2023-11-19 07:46:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:53,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,326 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:46:53,329 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:53,363 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:53,363 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:53,363 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~array_size#1, ULTIMATE.start_SelectionSort_~i~0#1) = 1*ULTIMATE.start_SelectionSort_~array_size#1 - 1*ULTIMATE.start_SelectionSort_~i~0#1 Supporting invariants [] [2023-11-19 07:46:53,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:53,406 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2023-11-19 07:46:53,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:53,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:53,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:53,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-19 07:46:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:53,543 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:46:53,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:53,567 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 4 states. [2023-11-19 07:46:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2023-11-19 07:46:53,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 7 letters. [2023-11-19 07:46:53,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:53,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 7 letters. [2023-11-19 07:46:53,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:53,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 14 letters. [2023-11-19 07:46:53,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:53,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-19 07:46:53,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:46:53,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 28 transitions. [2023-11-19 07:46:53,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:46:53,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:46:53,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2023-11-19 07:46:53,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:53,574 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-19 07:46:53,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2023-11-19 07:46:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2023-11-19 07:46:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-11-19 07:46:53,576 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-19 07:46:53,576 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-19 07:46:53,577 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:46:53,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2023-11-19 07:46:53,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:46:53,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:53,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:53,578 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:53,578 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:53,579 INFO L748 eck$LassoCheckResult]: Stem: 530#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 523#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 524#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 525#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 528#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 512#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 513#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 529#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 532#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 514#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 515#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 517#L519-3 [2023-11-19 07:46:53,579 INFO L750 eck$LassoCheckResult]: Loop: 517#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 526#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 520#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 517#L519-3 [2023-11-19 07:46:53,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2023-11-19 07:46:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652979889] [2023-11-19 07:46:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:53,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,604 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2023-11-19 07:46:53,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111745774] [2023-11-19 07:46:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:53,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2023-11-19 07:46:53,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:53,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908790050] [2023-11-19 07:46:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:53,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:54,134 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:54,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:54,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:54,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:54,134 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:54,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,135 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:54,135 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:54,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration7_Lasso [2023-11-19 07:46:54,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:54,135 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:54,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:54,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:54,839 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,840 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,843 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 [2023-11-19 07:46:54,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:54,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:54,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:46:54,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:54,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,896 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:46:54,898 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 [2023-11-19 07:46:54,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:54,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:54,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:54,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:54,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,934 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:46:54,939 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 [2023-11-19 07:46:54,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:54,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:54,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:54,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:54,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:54,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:54,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:54,976 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:46:54,978 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 [2023-11-19 07:46:54,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:54,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:54,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:54,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:54,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:54,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:54,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:55,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,047 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:46:55,055 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 [2023-11-19 07:46:55,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:55,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:55,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:55,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,080 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:46:55,082 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 [2023-11-19 07:46:55,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,126 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,131 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 [2023-11-19 07:46:55,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:55,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:55,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:55,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:46:55,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,182 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,187 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 [2023-11-19 07:46:55,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:55,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:55,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:55,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:46:55,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,246 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,249 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 [2023-11-19 07:46:55,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:46:55,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,303 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,305 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 [2023-11-19 07:46:55,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:46:55,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,359 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:55,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:46:55,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,427 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,429 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 [2023-11-19 07:46:55,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:46:55,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,483 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 [2023-11-19 07:46:55,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:46:55,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:55,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,534 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,537 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 [2023-11-19 07:46:55,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:55,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:55,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:55,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:55,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:46:55,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:55,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:55,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:55,601 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 07:46:55,601 INFO L444 ModelExtractionUtils]: 11 out of 25 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-19 07:46:55,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:55,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:55,603 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:55,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:55,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:46:55,639 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:46:55,639 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:55,639 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~min~0#1, v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2, ULTIMATE.start_SelectionSort_~a#1.offset) = -4*ULTIMATE.start_SelectionSort_~min~0#1 + 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2 - 1*ULTIMATE.start_SelectionSort_~a#1.offset Supporting invariants [1*ULTIMATE.start_SelectionSort_~j~0#1 - 1*ULTIMATE.start_SelectionSort_~min~0#1 - 1 >= 0] [2023-11-19 07:46:55,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:55,688 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-11-19 07:46:55,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~a!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:46:55,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~a!base] could not be translated [2023-11-19 07:46:55,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:55,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:46:55,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:55,815 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 [2023-11-19 07:46:55,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9 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) [2023-11-19 07:46:55,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9. 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 45 states and 57 transitions. Complement of second has 8 states. [2023-11-19 07:46:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-19 07:46:55,908 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) [2023-11-19 07:46:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-19 07:46:55,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-19 07:46:55,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:55,909 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:46:55,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:55,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:55,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:56,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:46:56,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:56,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:56,066 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:46:56,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9 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) [2023-11-19 07:46:56,153 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9. 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 48 states and 65 transitions. Complement of second has 9 states. [2023-11-19 07:46:56,154 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 [2023-11-19 07:46:56,155 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) [2023-11-19 07:46:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-19 07:46:56,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-19 07:46:56,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:56,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-19 07:46:56,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:56,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-19 07:46:56,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:56,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 65 transitions. [2023-11-19 07:46:56,158 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:46:56,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 43 states and 58 transitions. [2023-11-19 07:46:56,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 07:46:56,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 07:46:56,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 58 transitions. [2023-11-19 07:46:56,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:56,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 58 transitions. [2023-11-19 07:46:56,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 58 transitions. [2023-11-19 07:46:56,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2023-11-19 07:46:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 38 states have internal predecessors, (53), 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) [2023-11-19 07:46:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2023-11-19 07:46:56,171 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 53 transitions. [2023-11-19 07:46:56,171 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2023-11-19 07:46:56,172 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:46:56,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 53 transitions. [2023-11-19 07:46:56,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:46:56,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:56,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:56,174 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:56,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:56,176 INFO L748 eck$LassoCheckResult]: Stem: 814#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 805#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 806#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 807#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 812#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 791#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 792#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 813#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 816#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 793#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 794#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 798#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 808#L521 [2023-11-19 07:46:56,176 INFO L750 eck$LassoCheckResult]: Loop: 808#L521 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 801#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 802#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 808#L521 [2023-11-19 07:46:56,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash -304736135, now seen corresponding path program 1 times [2023-11-19 07:46:56,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834346692] [2023-11-19 07:46:56,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:56,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 1 times [2023-11-19 07:46:56,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490162056] [2023-11-19 07:46:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:56,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1166709708, now seen corresponding path program 1 times [2023-11-19 07:46:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121190955] [2023-11-19 07:46:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:56,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:56,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121190955] [2023-11-19 07:46:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121190955] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:56,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070493567] [2023-11-19 07:46:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:56,333 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:56,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-19 07:46:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:56,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:46:56,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:56,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:56,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070493567] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:56,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:56,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2023-11-19 07:46:56,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426233203] [2023-11-19 07:46:56,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:46:56,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:46:56,663 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. cyclomatic complexity: 21 Second operand has 14 states, 13 states have (on average 2.0) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:56,815 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2023-11-19 07:46:56,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 91 transitions. [2023-11-19 07:46:56,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:46:56,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 42 states and 56 transitions. [2023-11-19 07:46:56,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 07:46:56,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 07:46:56,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2023-11-19 07:46:56,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:56,818 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 56 transitions. [2023-11-19 07:46:56,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2023-11-19 07:46:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-11-19 07:46:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 40 states have internal predecessors, (55), 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) [2023-11-19 07:46:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2023-11-19 07:46:56,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 55 transitions. [2023-11-19 07:46:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:46:56,835 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 55 transitions. [2023-11-19 07:46:56,835 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:46:56,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 55 transitions. [2023-11-19 07:46:56,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:46:56,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:56,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:56,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:56,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:56,837 INFO L748 eck$LassoCheckResult]: Stem: 1041#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1029#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1030#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1031#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1038#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1016#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1017#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1045#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1039#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1040#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1043#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1018#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 1019#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1023#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1034#L521 [2023-11-19 07:46:56,838 INFO L750 eck$LassoCheckResult]: Loop: 1034#L521 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 1035#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1051#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1034#L521 [2023-11-19 07:46:56,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,838 INFO L85 PathProgramCache]: Analyzing trace with hash -740576421, now seen corresponding path program 2 times [2023-11-19 07:46:56,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324984491] [2023-11-19 07:46:56,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:56,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,898 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 2 times [2023-11-19 07:46:56,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032798413] [2023-11-19 07:46:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:56,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:56,911 INFO L85 PathProgramCache]: Analyzing trace with hash 734885290, now seen corresponding path program 2 times [2023-11-19 07:46:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391837893] [2023-11-19 07:46:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:56,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:57,623 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:57,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:57,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:57,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:57,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:57,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:57,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:57,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:57,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration9_Lasso [2023-11-19 07:46:57,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:57,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:57,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:57,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:58,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:58,352 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:58,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,354 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:46:58,357 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 [2023-11-19 07:46:58,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-19 07:46:58,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,411 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:46:58,417 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 [2023-11-19 07:46:58,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:58,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,467 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:58,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:46:58,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:46:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,505 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:46:58,506 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 [2023-11-19 07:46:58,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-19 07:46:58,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,531 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:46:58,534 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 [2023-11-19 07:46:58,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 07:46:58,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,558 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:46:58,561 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 [2023-11-19 07:46:58,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:46:58,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,590 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:46:58,595 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 [2023-11-19 07:46:58,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-19 07:46:58,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,626 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,627 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 [2023-11-19 07:46:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:46:58,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:58,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,693 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,700 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 [2023-11-19 07:46:58,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:46:58,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-19 07:46:58,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,730 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:46:58,732 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 [2023-11-19 07:46:58,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:46:58,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,762 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:46:58,763 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 [2023-11-19 07:46:58,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-19 07:46:58,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,790 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:46:58,796 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 [2023-11-19 07:46:58,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,822 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:46:58,824 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 [2023-11-19 07:46:58,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 07:46:58,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,852 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:46:58,854 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 [2023-11-19 07:46:58,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:58,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:58,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,922 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,925 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 [2023-11-19 07:46:58,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:46:58,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:58,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:58,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:58,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:58,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-19 07:46:58,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:58,978 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:58,980 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 [2023-11-19 07:46:58,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:46:58,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:58,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:58,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:58,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:58,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:58,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,042 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:46:59,044 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 [2023-11-19 07:46:59,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:59,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:46:59,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,100 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:46:59,103 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 [2023-11-19 07:46:59,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,156 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:46:59,158 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 [2023-11-19 07:46:59,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-19 07:46:59,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,210 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:46:59,212 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 [2023-11-19 07:46:59,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:59,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-19 07:46:59,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,278 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:46:59,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:59,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:59,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-19 07:46:59,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,339 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:46:59,342 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 [2023-11-19 07:46:59,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:59,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:59,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:59,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:59,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,394 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:46:59,396 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 [2023-11-19 07:46:59,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:59,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:59,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-19 07:46:59,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,451 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:46:59,453 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 [2023-11-19 07:46:59,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:59,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:59,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:59,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:59,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:59,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:59,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:59,534 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-19 07:46:59,534 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-19 07:46:59,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,540 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,541 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:59,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:46:59,568 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:46:59,568 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:59,568 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~j~0#1) = -2*ULTIMATE.start_SelectionSort_~j~0#1 + 3 Supporting invariants [-1*ULTIMATE.start_SelectionSort_~array_size#1 + 3 >= 0] [2023-11-19 07:46:59,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-19 07:46:59,614 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2023-11-19 07:46:59,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:59,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:46:59,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:59,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:46:59,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:59,849 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-19 07:46:59,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 55 transitions. cyclomatic complexity: 21 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:00,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 55 transitions. cyclomatic complexity: 21. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 117 transitions. Complement of second has 14 states. [2023-11-19 07:47:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-19 07:47:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 29 transitions. [2023-11-19 07:47:00,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-19 07:47:00,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 17 letters. Loop has 3 letters. [2023-11-19 07:47:00,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 14 letters. Loop has 6 letters. [2023-11-19 07:47:00,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:00,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 117 transitions. [2023-11-19 07:47:00,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:47:00,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 67 states and 90 transitions. [2023-11-19 07:47:00,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-19 07:47:00,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-19 07:47:00,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 90 transitions. [2023-11-19 07:47:00,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:00,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 90 transitions. [2023-11-19 07:47:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 90 transitions. [2023-11-19 07:47:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2023-11-19 07:47:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 54 states have internal predecessors, (74), 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) [2023-11-19 07:47:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2023-11-19 07:47:00,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-11-19 07:47:00,055 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-11-19 07:47:00,055 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:47:00,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 74 transitions. [2023-11-19 07:47:00,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:47:00,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:00,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:00,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:00,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:47:00,057 INFO L748 eck$LassoCheckResult]: Stem: 1309#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1296#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1297#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1298#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1306#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1307#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1308#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1283#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1284#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1316#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1311#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1312#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1315#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1285#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 1286#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1318#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1300#L521 [2023-11-19 07:47:00,057 INFO L750 eck$LassoCheckResult]: Loop: 1300#L521 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 1303#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1299#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1300#L521 [2023-11-19 07:47:00,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1323703741, now seen corresponding path program 3 times [2023-11-19 07:47:00,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406097363] [2023-11-19 07:47:00,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:00,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 3 times [2023-11-19 07:47:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666702743] [2023-11-19 07:47:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:00,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1931519992, now seen corresponding path program 3 times [2023-11-19 07:47:00,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:00,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848417549] [2023-11-19 07:47:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:00,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:00,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:00,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-19 07:47:01,129 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:47:01,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:47:01,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:47:01,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:47:01,130 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:47:01,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:01,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:47:01,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:47:01,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration10_Lasso [2023-11-19 07:47:01,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:47:01,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:47:01,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:01,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:02,233 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:47:02,233 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:47:02,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,235 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:47:02,236 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 [2023-11-19 07:47:02,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:02,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:02,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-19 07:47:02,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,286 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:47:02,288 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 [2023-11-19 07:47:02,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:47:02,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:47:02,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:47:02,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:02,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,312 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:47:02,315 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 [2023-11-19 07:47:02,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:47:02,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:47:02,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:47:02,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-19 07:47:02,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,339 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:47:02,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:47:02,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:02,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:02,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:02,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,373 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:47:02,375 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 [2023-11-19 07:47:02,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:02,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:02,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-19 07:47:02,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,443 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:47:02,444 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 [2023-11-19 07:47:02,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:02,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:02,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:02,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-19 07:47:02,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,480 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:47:02,482 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 [2023-11-19 07:47:02,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:02,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:02,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:02,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:02,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:02,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:02,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:47:02,589 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2023-11-19 07:47:02,589 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 28 variables to zero. [2023-11-19 07:47:02,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:02,593 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:02,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:47:02,595 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:47:02,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:47:02,606 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:47:02,606 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_4, ULTIMATE.start_SelectionSort_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_4 - 2*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2023-11-19 07:47:02,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:02,693 INFO L156 tatePredicateManager]: 15 out of 17 supporting invariants were superfluous and have been removed [2023-11-19 07:47:02,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~numbers~0!base] could not be translated [2023-11-19 07:47:02,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:47:02,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,840 WARN L260 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:47:02,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:02,919 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-19 07:47:02,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 74 transitions. cyclomatic complexity: 28 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2023-11-19 07:47:02,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:03,019 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 74 transitions. cyclomatic complexity: 28. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 97 states and 126 transitions. Complement of second has 9 states. [2023-11-19 07:47:03,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:47:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2023-11-19 07:47:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-19 07:47:03,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 16 letters. Loop has 3 letters. [2023-11-19 07:47:03,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:03,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 19 letters. Loop has 3 letters. [2023-11-19 07:47:03,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:03,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 16 letters. Loop has 6 letters. [2023-11-19 07:47:03,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:03,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 126 transitions. [2023-11-19 07:47:03,026 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:47:03,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 104 transitions. [2023-11-19 07:47:03,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 07:47:03,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 07:47:03,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 104 transitions. [2023-11-19 07:47:03,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:03,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 104 transitions. [2023-11-19 07:47:03,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 104 transitions. [2023-11-19 07:47:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 55. [2023-11-19 07:47:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 54 states have internal predecessors, (73), 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) [2023-11-19 07:47:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 73 transitions. [2023-11-19 07:47:03,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions. [2023-11-19 07:47:03,037 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 73 transitions. [2023-11-19 07:47:03,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:47:03,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 73 transitions. [2023-11-19 07:47:03,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:47:03,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:03,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:03,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:03,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:47:03,042 INFO L748 eck$LassoCheckResult]: Stem: 1620#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1607#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1608#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1617#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1618#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1619#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1594#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1595#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1625#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1622#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1623#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1634#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1632#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 1630#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1609#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1610#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 1629#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1628#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1613#L521 [2023-11-19 07:47:03,042 INFO L750 eck$LassoCheckResult]: Loop: 1613#L521 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 1614#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1627#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1613#L521 [2023-11-19 07:47:03,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1931521914, now seen corresponding path program 2 times [2023-11-19 07:47:03,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61040164] [2023-11-19 07:47:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:03,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 4 times [2023-11-19 07:47:03,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830178234] [2023-11-19 07:47:03,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:03,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2002535583, now seen corresponding path program 1 times [2023-11-19 07:47:03,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:03,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639211979] [2023-11-19 07:47:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:03,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:04,188 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:47:04,188 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:47:04,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:47:04,188 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:47:04,188 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:47:04,188 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:04,188 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:47:04,188 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:47:04,189 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration11_Lasso [2023-11-19 07:47:04,189 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:47:04,189 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:47:04,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:04,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:47:05,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:47:05,160 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:47:05,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,164 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 07:47:05,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:47:05,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:47:05,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:47:05,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:47:05,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:05,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-19 07:47:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,194 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:47:05,198 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 [2023-11-19 07:47:05,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:47:05,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:47:05,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:47:05,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:05,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:05,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,222 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 07:47:05,224 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 [2023-11-19 07:47:05,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:47:05,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:47:05,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:47:05,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:05,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-19 07:47:05,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,269 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-19 07:47:05,271 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 [2023-11-19 07:47:05,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:05,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:05,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:05,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-19 07:47:05,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,325 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-19 07:47:05,327 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 [2023-11-19 07:47:05,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:05,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:05,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:47:05,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:05,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,375 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-19 07:47:05,378 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 [2023-11-19 07:47:05,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:47:05,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:47:05,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:47:05,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:47:05,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:47:05,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:47:05,422 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:47:05,457 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-19 07:47:05,457 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-19 07:47:05,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:47:05,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,459 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:47:05,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-19 07:47:05,499 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:47:05,500 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:47:05,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_#in~array_size#1, ULTIMATE.start_SelectionSort_~j~0#1) = 1*ULTIMATE.start_SelectionSort_#in~array_size#1 - 1*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [-1*ULTIMATE.start_SelectionSort_~array_size#1 + 1*ULTIMATE.start_SelectionSort_#in~array_size#1 >= 0] [2023-11-19 07:47:05,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:05,550 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-19 07:47:05,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:05,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:47:05,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:05,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:05,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:05,695 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-19 07:47:05,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 73 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:05,745 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 73 transitions. cyclomatic complexity: 27. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 107 transitions. Complement of second has 8 states. [2023-11-19 07:47:05,746 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 [2023-11-19 07:47:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-19 07:47:05,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 19 letters. Loop has 3 letters. [2023-11-19 07:47:05,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:05,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-19 07:47:05,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:05,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 19 letters. Loop has 6 letters. [2023-11-19 07:47:05,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:47:05,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 107 transitions. [2023-11-19 07:47:05,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:47:05,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 54 states and 71 transitions. [2023-11-19 07:47:05,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:47:05,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:47:05,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 71 transitions. [2023-11-19 07:47:05,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:05,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 71 transitions. [2023-11-19 07:47:05,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 71 transitions. [2023-11-19 07:47:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 33. [2023-11-19 07:47:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 32 states have internal predecessors, (42), 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) [2023-11-19 07:47:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2023-11-19 07:47:05,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-19 07:47:05,755 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-11-19 07:47:05,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:47:05,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2023-11-19 07:47:05,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:47:05,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:05,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:05,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:05,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:47:05,757 INFO L748 eck$LassoCheckResult]: Stem: 1895#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1884#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1885#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1892#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1872#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1873#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1899#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1893#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1894#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1898#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1874#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 1875#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1876#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1888#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 1890#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1897#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 1896#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1880#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 1877#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1878#L519-3 [2023-11-19 07:47:05,757 INFO L750 eck$LassoCheckResult]: Loop: 1878#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1886#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 1881#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 1878#L519-3 [2023-11-19 07:47:05,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:05,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1462098487, now seen corresponding path program 3 times [2023-11-19 07:47:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:05,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594289795] [2023-11-19 07:47:05,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:05,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:05,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:05,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594289795] [2023-11-19 07:47:05,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594289795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:05,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435428778] [2023-11-19 07:47:05,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:47:05,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:05,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:05,919 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:05,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2023-11-19 07:47:06,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 07:47:06,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:47:06,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:06,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:47:06,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:47:06,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435428778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:06,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:06,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-11-19 07:47:06,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293928256] [2023-11-19 07:47:06,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:06,111 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:47:06,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2023-11-19 07:47:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:06,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517504258] [2023-11-19 07:47:06,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:06,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:06,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:47:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:47:06,206 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. cyclomatic complexity: 14 Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 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) [2023-11-19 07:47:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:06,432 INFO L93 Difference]: Finished difference Result 66 states and 86 transitions. [2023-11-19 07:47:06,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 86 transitions. [2023-11-19 07:47:06,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:47:06,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 61 states and 80 transitions. [2023-11-19 07:47:06,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 07:47:06,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 07:47:06,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2023-11-19 07:47:06,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:47:06,436 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-11-19 07:47:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2023-11-19 07:47:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 39. [2023-11-19 07:47:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 states have internal predecessors, (51), 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) [2023-11-19 07:47:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2023-11-19 07:47:06,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-19 07:47:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:47:06,442 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-19 07:47:06,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:47:06,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2023-11-19 07:47:06,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:47:06,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:47:06,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:47:06,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:06,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:47:06,444 INFO L748 eck$LassoCheckResult]: Stem: 2142#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2133#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2134#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2140#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2120#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2121#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2141#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2146#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2145#L536-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2144#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2122#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 2123#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2124#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2136#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2138#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 2155#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2150#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2151#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 2147#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 2143#L519-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2128#L515-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 2125#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2126#L519-3 [2023-11-19 07:47:06,445 INFO L750 eck$LassoCheckResult]: Loop: 2126#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2135#L521 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2129#L519-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 2126#L519-3 [2023-11-19 07:47:06,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:06,445 INFO L85 PathProgramCache]: Analyzing trace with hash -641628348, now seen corresponding path program 4 times [2023-11-19 07:47:06,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:06,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312485541] [2023-11-19 07:47:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:06,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:06,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:06,481 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2023-11-19 07:47:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059292856] [2023-11-19 07:47:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:06,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:06,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:06,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2145609241, now seen corresponding path program 5 times [2023-11-19 07:47:06,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:06,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858507417] [2023-11-19 07:47:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:07,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858507417] [2023-11-19 07:47:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858507417] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:47:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710536986] [2023-11-19 07:47:07,713 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-19 07:47:07,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:07,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:07,715 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:07,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6948287-039e-4a1f-a4e2-fdaac1a38732/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2023-11-19 07:47:07,825 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-11-19 07:47:07,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:47:07,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 07:47:07,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:08,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:47:08,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 27 [2023-11-19 07:47:08,216 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:47:08,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2023-11-19 07:47:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:47:08,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:47:32,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 90 [2023-11-19 07:47:32,981 INFO L349 Elim1Store]: treesize reduction 5, result has 92.3 percent of original size [2023-11-19 07:47:32,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 102 treesize of output 115 [2023-11-19 07:47:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:47:33,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710536986] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:47:33,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:47:33,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 11] total 31 [2023-11-19 07:47:33,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855566202] [2023-11-19 07:47:33,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:47:33,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:33,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-19 07:47:33,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=829, Unknown=1, NotChecked=0, Total=930 [2023-11-19 07:47:33,499 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 17 Second operand has 31 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 31 states have internal predecessors, (55), 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)