./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:19,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:19,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:33:19,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:19,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:19,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:19,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:19,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:19,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:19,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:19,212 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:19,212 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:33:19,213 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:33:19,214 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:33:19,215 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:33:19,215 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:33:19,216 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:33:19,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:19,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:33:19,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:19,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:19,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:33:19,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:33:19,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:33:19,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:19,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:19,220 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:33:19,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:19,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:19,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:19,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:19,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:19,224 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:33:19,224 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_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2023-11-12 02:33:19,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:19,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:19,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:19,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:19,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:19,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2023-11-12 02:33:22,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:23,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:23,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2023-11-12 02:33:23,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/data/e39629290/859b128ca94a40e8b5f5ea5c3d87c764/FLAGbbc4eb52c [2023-11-12 02:33:23,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/data/e39629290/859b128ca94a40e8b5f5ea5c3d87c764 [2023-11-12 02:33:23,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:23,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:23,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:23,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:23,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:23,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72578517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23, skipping insertion in model container [2023-11-12 02:33:23,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:23,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:23,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:23,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:23,353 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:23,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23 WrapperNode [2023-11-12 02:33:23,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:23,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:23,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:23,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:23,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,390 INFO L138 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-11-12 02:33:23,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:23,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:23,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:23,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:23,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:23,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:23,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:23,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:23,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (1/1) ... [2023-11-12 02:33:23,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:23,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:23,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:33:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:33:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2023-11-12 02:33:23,504 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2023-11-12 02:33:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:23,582 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:23,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:23,795 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:23,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:23,806 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:33:23,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:23 BoogieIcfgContainer [2023-11-12 02:33:23,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:23,809 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:33:23,810 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:33:23,817 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:33:23,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:23,819 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:33:23" (1/3) ... [2023-11-12 02:33:23,820 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f86688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:23, skipping insertion in model container [2023-11-12 02:33:23,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:23,820 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:23" (2/3) ... [2023-11-12 02:33:23,821 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f86688b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:23, skipping insertion in model container [2023-11-12 02:33:23,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:23,821 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:23" (3/3) ... [2023-11-12 02:33:23,825 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2023-11-12 02:33:23,873 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:33:23,873 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:33:23,873 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:33:23,873 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:33:23,873 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:33:23,874 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:33:23,874 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:33:23,874 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:33:23,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:33:23,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-12 02:33:23,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:23,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:23,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:33:23,901 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:33:23,901 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:33:23,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:33:23,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-12 02:33:23,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:23,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:23,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:33:23,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:33:23,911 INFO L748 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 6#L31true assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 9#L36-3true [2023-11-12 02:33:23,912 INFO L750 eck$LassoCheckResult]: Loop: 9#L36-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 10#L36-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 9#L36-3true [2023-11-12 02:33:23,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:23,917 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-12 02:33:23,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:23,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754398468] [2023-11-12 02:33:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:23,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:24,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:24,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-12 02:33:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:24,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858232847] [2023-11-12 02:33:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:24,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:24,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:24,075 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-12 02:33:24,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:24,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916614500] [2023-11-12 02:33:24,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:24,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:24,400 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:24,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:24,401 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:24,401 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:24,402 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:33:24,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:24,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:24,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:24,402 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2023-11-12 02:33:24,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:24,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:24,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:24,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:24,888 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:33:24,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:24,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:33:24,906 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 [2023-11-12 02:33:24,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:24,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:24,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:24,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:24,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:24,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:24,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:24,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:24,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:24,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:24,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:24,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:24,962 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 [2023-11-12 02:33:24,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:24,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:24,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:24,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:24,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:33:24,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:24,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:25,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:33:25,049 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:33:25,049 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-12 02:33:25,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:25,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:25,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:33:25,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:33:25,123 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:33:25,123 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:33:25,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2023-11-12 02:33:25,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:25,143 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-12 02:33:25,152 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~a~0!base] could not be translated [2023-11-12 02:33:25,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:33:25,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:33:25,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,299 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 [2023-11-12 02:33:25,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,396 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 55 transitions. Complement of second has 9 states. [2023-11-12 02:33:25,398 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 [2023-11-12 02:33:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2023-11-12 02:33:25,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-12 02:33:25,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:25,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-12 02:33:25,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:25,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-12 02:33:25,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:25,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 55 transitions. [2023-11-12 02:33:25,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-12 02:33:25,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2023-11-12 02:33:25,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-12 02:33:25,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-12 02:33:25,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-12 02:33:25,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:25,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:33:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-12 02:33:25,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 02:33:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-12 02:33:25,466 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:33:25,466 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:33:25,466 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:33:25,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-12 02:33:25,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-12 02:33:25,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:25,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:25,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:33:25,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:33:25,468 INFO L748 eck$LassoCheckResult]: Stem: 131#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 123#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 124#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 126#L36-4 havoc main_~i~0#1; 118#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 129#$Ultimate##0 [2023-11-12 02:33:25,469 INFO L750 eck$LassoCheckResult]: Loop: 129#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 130#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 120#L14-3 assume !true; 121#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 119#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 129#$Ultimate##0 [2023-11-12 02:33:25,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 889572457, now seen corresponding path program 1 times [2023-11-12 02:33:25,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482421609] [2023-11-12 02:33:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482421609] [2023-11-12 02:33:25,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482421609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:33:25,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414281055] [2023-11-12 02:33:25,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,607 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:33:25,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,608 INFO L85 PathProgramCache]: Analyzing trace with hash 54535472, now seen corresponding path program 1 times [2023-11-12 02:33:25,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103494787] [2023-11-12 02:33:25,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103494787] [2023-11-12 02:33:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103494787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205935948] [2023-11-12 02:33:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,635 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:33:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:25,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:25,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:25,639 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:25,646 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2023-11-12 02:33:25,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-11-12 02:33:25,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-12 02:33:25,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2023-11-12 02:33:25,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-12 02:33:25,650 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-12 02:33:25,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2023-11-12 02:33:25,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:25,651 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-12 02:33:25,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2023-11-12 02:33:25,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 02:33:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2023-11-12 02:33:25,655 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-12 02:33:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:25,656 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-12 02:33:25,656 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:33:25,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2023-11-12 02:33:25,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-12 02:33:25,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:25,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:25,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:33:25,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:33:25,661 INFO L748 eck$LassoCheckResult]: Stem: 167#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 159#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 160#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 162#L36-4 havoc main_~i~0#1; 154#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 166#$Ultimate##0 [2023-11-12 02:33:25,661 INFO L750 eck$LassoCheckResult]: Loop: 166#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 165#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 156#L14-3 assume !(~index~0 < ~size); 157#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 155#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 166#$Ultimate##0 [2023-11-12 02:33:25,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,661 INFO L85 PathProgramCache]: Analyzing trace with hash 889572457, now seen corresponding path program 2 times [2023-11-12 02:33:25,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804479563] [2023-11-12 02:33:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804479563] [2023-11-12 02:33:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804479563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:33:25,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478469297] [2023-11-12 02:33:25,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,708 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:33:25,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,708 INFO L85 PathProgramCache]: Analyzing trace with hash 54524901, now seen corresponding path program 1 times [2023-11-12 02:33:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461021289] [2023-11-12 02:33:25,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461021289] [2023-11-12 02:33:25,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461021289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:33:25,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592148215] [2023-11-12 02:33:25,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,744 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:33:25,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:33:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:33:25,745 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:25,758 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-12 02:33:25,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-12 02:33:25,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:25,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-12 02:33:25,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-12 02:33:25,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:33:25,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-12 02:33:25,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:25,761 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-12 02:33:25,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-12 02:33:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-12 02:33:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-12 02:33:25,763 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-12 02:33:25,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:33:25,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-12 02:33:25,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:33:25,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-12 02:33:25,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:25,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:25,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:25,766 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:33:25,766 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:25,766 INFO L748 eck$LassoCheckResult]: Stem: 206#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 197#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 198#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 201#L36-4 havoc main_~i~0#1; 192#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 205#$Ultimate##0 [2023-11-12 02:33:25,766 INFO L750 eck$LassoCheckResult]: Loop: 205#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 204#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 195#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 196#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 191#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 194#L14-3 assume !(~index~0 < ~size); 199#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 193#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 205#$Ultimate##0 [2023-11-12 02:33:25,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,767 INFO L85 PathProgramCache]: Analyzing trace with hash 889572457, now seen corresponding path program 3 times [2023-11-12 02:33:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470030199] [2023-11-12 02:33:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:25,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:25,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470030199] [2023-11-12 02:33:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470030199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:25,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:33:25,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185809831] [2023-11-12 02:33:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:25,828 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:33:25,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash 903326980, now seen corresponding path program 1 times [2023-11-12 02:33:25,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095055680] [2023-11-12 02:33:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:25,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:25,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:26,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-12 02:33:26,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:33:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:33:26,452 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:26,465 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-12 02:33:26,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-12 02:33:26,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:26,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2023-11-12 02:33:26,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-12 02:33:26,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:33:26,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2023-11-12 02:33:26,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:26,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-12 02:33:26,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2023-11-12 02:33:26,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-12 02:33:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-12 02:33:26,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-12 02:33:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:33:26,471 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-12 02:33:26,471 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:33:26,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-12 02:33:26,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:26,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:26,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:26,473 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:26,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:26,473 INFO L748 eck$LassoCheckResult]: Stem: 245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 237#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 238#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 240#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 241#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 242#L36-4 havoc main_~i~0#1; 231#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 243#$Ultimate##0 [2023-11-12 02:33:26,473 INFO L750 eck$LassoCheckResult]: Loop: 243#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 244#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 234#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 235#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 230#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 233#L14-3 assume !(~index~0 < ~size); 236#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 232#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 243#$Ultimate##0 [2023-11-12 02:33:26,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash 182329415, now seen corresponding path program 1 times [2023-11-12 02:33:26,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:26,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907546352] [2023-11-12 02:33:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:26,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:26,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:26,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash 903326980, now seen corresponding path program 2 times [2023-11-12 02:33:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:26,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156614312] [2023-11-12 02:33:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:26,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:26,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:26,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:26,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1689508022, now seen corresponding path program 1 times [2023-11-12 02:33:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873477169] [2023-11-12 02:33:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:26,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:26,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873477169] [2023-11-12 02:33:26,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873477169] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:26,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711803896] [2023-11-12 02:33:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:26,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:26,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:26,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:26,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:33:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:33:26,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:26,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:27,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711803896] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:27,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:27,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2023-11-12 02:33:27,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601992405] [2023-11-12 02:33:27,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:27,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:27,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:33:27,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:33:27,467 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 9 states have internal predecessors, (21), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:27,577 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2023-11-12 02:33:27,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2023-11-12 02:33:27,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:27,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 22 transitions. [2023-11-12 02:33:27,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-12 02:33:27,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:33:27,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2023-11-12 02:33:27,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:27,585 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-12 02:33:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2023-11-12 02:33:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-12 02:33:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2023-11-12 02:33:27,592 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-12 02:33:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:33:27,593 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-12 02:33:27,594 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:33:27,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2023-11-12 02:33:27,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:33:27,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:27,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:27,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:27,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:27,598 INFO L748 eck$LassoCheckResult]: Stem: 396#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 386#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 387#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 390#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 391#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 392#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 397#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 395#L36-4 havoc main_~i~0#1; 381#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 394#$Ultimate##0 [2023-11-12 02:33:27,598 INFO L750 eck$LassoCheckResult]: Loop: 394#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 393#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 384#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 385#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 380#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 383#L14-3 assume !(~index~0 < ~size); 388#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 382#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 394#$Ultimate##0 [2023-11-12 02:33:27,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:27,598 INFO L85 PathProgramCache]: Analyzing trace with hash -873401179, now seen corresponding path program 2 times [2023-11-12 02:33:27,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477471967] [2023-11-12 02:33:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:27,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:27,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:27,656 INFO L85 PathProgramCache]: Analyzing trace with hash 903326980, now seen corresponding path program 3 times [2023-11-12 02:33:27,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:27,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529657261] [2023-11-12 02:33:27,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:27,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:27,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1198243240, now seen corresponding path program 2 times [2023-11-12 02:33:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:27,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184560345] [2023-11-12 02:33:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:27,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:27,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:28,662 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:28,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:28,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:28,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:28,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:33:28,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:28,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:28,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:28,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2023-11-12 02:33:28,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:28,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:28,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:29,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:29,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:33:29,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:29,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:29,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:29,536 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 [2023-11-12 02:33:29,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:29,549 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-12 02:33:29,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:29,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:29,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:33:29,553 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-12 02:33:29,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:29,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:29,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:29,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:29,587 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:29,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:33:29,591 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 [2023-11-12 02:33:29,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:29,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:29,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:29,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:29,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:29,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:29,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:33:29,673 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:33:29,673 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-12 02:33:29,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:29,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:29,677 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:29,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:33:29,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:33:29,707 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:33:29,707 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:33:29,707 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, v_rep(select #length selectionSort_#in~array.base)_1, selectionSort_#in~array.offset) = -4*selectionSort_#in~startIndex + 1*v_rep(select #length selectionSort_#in~array.base)_1 - 1*selectionSort_#in~array.offset Supporting invariants [] [2023-11-12 02:33:29,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:29,724 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-12 02:33:29,726 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#in~array!base] could not be translated [2023-11-12 02:33:29,726 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~array!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 02:33:29,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:29,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:29,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:29,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:33:29,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:29,892 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-12 02:33:29,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:30,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 49 transitions. Complement of second has 19 states. [2023-11-12 02:33:30,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-12 02:33:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:30,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2023-11-12 02:33:30,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 10 letters. Loop has 8 letters. [2023-11-12 02:33:30,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:30,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 18 letters. Loop has 8 letters. [2023-11-12 02:33:30,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:30,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 10 letters. Loop has 16 letters. [2023-11-12 02:33:30,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:30,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2023-11-12 02:33:30,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-12 02:33:30,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 36 states and 45 transitions. [2023-11-12 02:33:30,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-12 02:33:30,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-12 02:33:30,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2023-11-12 02:33:30,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:33:30,037 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-11-12 02:33:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2023-11-12 02:33:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2023-11-12 02:33:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2023-11-12 02:33:30,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-12 02:33:30,044 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-12 02:33:30,044 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:33:30,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2023-11-12 02:33:30,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:30,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:30,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:30,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:30,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:33:30,049 INFO L748 eck$LassoCheckResult]: Stem: 564#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 553#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 554#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 556#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 557#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 558#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 565#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 562#L36-4 havoc main_~i~0#1; 546#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 563#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 560#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 545#L14-3 [2023-11-12 02:33:30,049 INFO L750 eck$LassoCheckResult]: Loop: 545#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 549#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 543#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 545#L14-3 [2023-11-12 02:33:30,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:30,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1819909431, now seen corresponding path program 1 times [2023-11-12 02:33:30,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:30,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924691957] [2023-11-12 02:33:30,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:30,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:30,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:30,100 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2023-11-12 02:33:30,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:30,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110408375] [2023-11-12 02:33:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:30,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1549642686, now seen corresponding path program 1 times [2023-11-12 02:33:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:30,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950068007] [2023-11-12 02:33:30,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:30,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:30,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:30,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-12 02:33:30,962 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:30,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:30,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:30,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:30,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:33:30,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:30,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:30,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:30,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration7_Lasso [2023-11-12 02:33:30,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:30,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:30,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:30,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:31,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:31,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:33:31,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:31,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:31,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:31,788 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 [2023-11-12 02:33:31,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:31,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:31,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:33:31,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:31,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:31,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:31,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:31,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:31,826 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:31,835 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 [2023-11-12 02:33:31,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:31,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:31,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:31,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:31,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:31,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:31,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:31,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:33:31,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:31,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:31,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:31,871 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:31,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:33:31,880 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 [2023-11-12 02:33:31,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:31,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:31,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:31,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:31,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:31,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:31,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:31,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:31,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:31,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:31,922 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:31,930 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 [2023-11-12 02:33:31,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:31,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:31,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:31,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:31,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:31,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:31,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:33:31,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:31,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:31,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:31,968 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:31,979 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 [2023-11-12 02:33:31,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:31,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:31,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:31,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:31,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:31,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:31,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:31,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:33:32,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:32,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:32,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,022 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 [2023-11-12 02:33:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:33:32,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:32,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:32,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:32,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:32,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:32,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:32,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:32,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:32,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:32,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,071 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:33:32,078 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 [2023-11-12 02:33:32,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:32,091 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-12 02:33:32,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:32,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:32,096 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-12 02:33:32,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:32,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:32,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:32,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,123 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:33:32,131 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 [2023-11-12 02:33:32,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:32,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:32,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:32,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:32,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:32,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:32,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:32,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,173 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,183 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 [2023-11-12 02:33:32,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:32,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:32,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:32,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:33:32,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:32,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:32,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:33:32,289 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-12 02:33:32,289 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-12 02:33:32,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:32,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,293 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:33:32,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:33:32,327 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:33:32,327 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:33:32,327 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2023-11-12 02:33:32,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:32,349 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-12 02:33:32,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:32,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:32,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:32,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-12 02:33:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:32,462 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 [2023-11-12 02:33:32,462 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:32,487 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 29 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 52 transitions. Complement of second has 8 states. [2023-11-12 02:33:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:33:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-12 02:33:32,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-12 02:33:32,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:32,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-12 02:33:32,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:32,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 6 letters. [2023-11-12 02:33:32,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:32,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2023-11-12 02:33:32,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:32,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 29 states and 36 transitions. [2023-11-12 02:33:32,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:33:32,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:33:32,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2023-11-12 02:33:32,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:33:32,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2023-11-12 02:33:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2023-11-12 02:33:32,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2023-11-12 02:33:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-12 02:33:32,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:33:32,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:33:32,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:33:32,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2023-11-12 02:33:32,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:32,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:32,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:32,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:32,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:33:32,498 INFO L748 eck$LassoCheckResult]: Stem: 715#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 706#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 703#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 704#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 707#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 708#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 709#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 716#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 713#L36-4 havoc main_~i~0#1; 698#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 714#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 711#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 701#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 702#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 697#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 699#L14-3 assume !(~index~0 < ~size); 705#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 695#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 712#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 710#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 696#L14-3 [2023-11-12 02:33:32,498 INFO L750 eck$LassoCheckResult]: Loop: 696#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 700#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 694#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 696#L14-3 [2023-11-12 02:33:32,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:32,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2059440754, now seen corresponding path program 1 times [2023-11-12 02:33:32,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:32,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332423446] [2023-11-12 02:33:32,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:32,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:32,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:32,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332423446] [2023-11-12 02:33:32,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332423446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:32,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177205492] [2023-11-12 02:33:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:32,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:32,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:32,741 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:32,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-12 02:33:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:32,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:33:32,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:32,951 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:33:33,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177205492] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:33,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:33,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-11-12 02:33:33,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870185354] [2023-11-12 02:33:33,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:33,057 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:33:33,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:33,057 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2023-11-12 02:33:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016710539] [2023-11-12 02:33:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:33,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:33,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:33,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:33,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 02:33:33,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:33:33,155 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 17 states, 16 states have (on average 2.3125) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:33,282 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-12 02:33:33,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 46 transitions. [2023-11-12 02:33:33,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:33,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 26 states and 31 transitions. [2023-11-12 02:33:33,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:33:33,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:33:33,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2023-11-12 02:33:33,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:33:33,287 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-11-12 02:33:33,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2023-11-12 02:33:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2023-11-12 02:33:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2023-11-12 02:33:33,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2023-11-12 02:33:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:33:33,295 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2023-11-12 02:33:33,296 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:33:33,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2023-11-12 02:33:33,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:33,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:33,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:33,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:33,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:33:33,299 INFO L748 eck$LassoCheckResult]: Stem: 918#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 905#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 906#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 909#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 920#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 912#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 910#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 911#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 919#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 916#L36-4 havoc main_~i~0#1; 900#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 917#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 914#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 903#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 904#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 899#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 901#L14-3 assume !(~index~0 < ~size); 907#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 897#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 915#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 913#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 898#L14-3 [2023-11-12 02:33:33,299 INFO L750 eck$LassoCheckResult]: Loop: 898#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 902#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 896#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 898#L14-3 [2023-11-12 02:33:33,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1355850988, now seen corresponding path program 2 times [2023-11-12 02:33:33,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27551835] [2023-11-12 02:33:33,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:33,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:33,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:33,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27551835] [2023-11-12 02:33:33,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27551835] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:33,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971127720] [2023-11-12 02:33:33,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:33:33,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:33:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:33,506 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:33:33,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-12 02:33:33,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:33:33,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:33:33,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:33:33,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:33,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:33,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971127720] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:33:33,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:33:33,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2023-11-12 02:33:33,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968520808] [2023-11-12 02:33:33,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:33,851 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:33:33,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:33,851 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2023-11-12 02:33:33,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:33,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834434801] [2023-11-12 02:33:33,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:33,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:33,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:33,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:33,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:33,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-12 02:33:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2023-11-12 02:33:33,941 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 16 states have internal predecessors, (35), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:34,175 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2023-11-12 02:33:34,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 47 transitions. [2023-11-12 02:33:34,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:34,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 47 transitions. [2023-11-12 02:33:34,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-12 02:33:34,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:33:34,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 47 transitions. [2023-11-12 02:33:34,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:33:34,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2023-11-12 02:33:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 47 transitions. [2023-11-12 02:33:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2023-11-12 02:33:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 26 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2023-11-12 02:33:34,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-12 02:33:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:33:34,182 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-12 02:33:34,182 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-12 02:33:34,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. [2023-11-12 02:33:34,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:33:34,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:34,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:34,184 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:34,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:33:34,184 INFO L748 eck$LassoCheckResult]: Stem: 1138#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1126#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 1127#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1129#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1130#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1131#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1142#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1141#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1140#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 1135#L36-4 havoc main_~i~0#1; 1121#L40 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 1136#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1137#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1145#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1144#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1120#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1122#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1124#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1139#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1143#L14-3 assume !(~index~0 < ~size); 1125#L14-4 havoc ~index~0;call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1118#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 1132#$Ultimate##0 ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1133#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1119#L14-3 [2023-11-12 02:33:34,184 INFO L750 eck$LassoCheckResult]: Loop: 1119#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1123#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 1117#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1119#L14-3 [2023-11-12 02:33:34,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash 197123111, now seen corresponding path program 3 times [2023-11-12 02:33:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998308193] [2023-11-12 02:33:34,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:34,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:34,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:34,230 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2023-11-12 02:33:34,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:34,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360112663] [2023-11-12 02:33:34,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:34,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:34,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1274344996, now seen corresponding path program 1 times [2023-11-12 02:33:34,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:34,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661926639] [2023-11-12 02:33:34,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:34,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:36,051 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:33:36,052 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:33:36,052 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:33:36,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:33:36,053 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:33:36,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:33:36,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:33:36,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration10_Lasso [2023-11-12 02:33:36,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:33:36,053 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:33:36,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:33:36,782 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:33:36,783 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:33:36,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,793 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,799 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 [2023-11-12 02:33:36,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:36,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:36,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:36,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:36,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:36,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:36,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:33:36,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:36,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:36,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,828 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,844 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 [2023-11-12 02:33:36,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:36,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:36,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:36,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:36,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:36,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:36,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:33:36,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:36,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,883 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:33:36,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:33:36,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:36,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:36,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:36,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:36,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:36,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:36,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:36,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:36,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:36,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,921 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:33:36,930 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 [2023-11-12 02:33:36,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:36,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:36,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:36,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:36,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:36,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:36,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:36,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:36,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:36,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,948 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:33:36,951 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 [2023-11-12 02:33:36,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:36,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:36,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:36,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:36,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:36,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:36,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:36,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:36,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:36,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,991 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:33:36,995 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 [2023-11-12 02:33:37,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:37,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:37,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:37,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:37,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:37,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,041 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,046 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 [2023-11-12 02:33:37,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:33:37,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:37,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:37,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:37,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-12 02:33:37,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,077 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:33:37,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:33:37,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:37,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:37,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:37,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:37,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:37,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,110 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:33:37,129 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 [2023-11-12 02:33:37,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:37,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:37,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:37,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:37,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-12 02:33:37,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,145 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,155 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 [2023-11-12 02:33:37,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:33:37,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:33:37,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:33:37,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:33:37,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:33:37,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-12 02:33:37,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,171 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:33:37,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:33:37,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:33:37,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:33:37,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:33:37,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:33:37,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:33:37,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:33:37,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:33:37,247 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-12 02:33:37,248 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-12 02:33:37,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:37,249 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:37,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:33:37,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:33:37,262 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:33:37,262 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:33:37,263 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2023-11-12 02:33:37,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:37,287 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-12 02:33:37,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:37,426 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 [2023-11-12 02:33:37,426 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 50 transitions. Complement of second has 8 states. [2023-11-12 02:33:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:33:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-12 02:33:37,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-12 02:33:37,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:37,459 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:33:37,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:37,592 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-12 02:33:37,592 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 50 transitions. Complement of second has 8 states. [2023-11-12 02:33:37,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:33:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-12 02:33:37,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-12 02:33:37,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:37,619 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:33:37,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:33:37,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:37,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:37,762 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-12 02:33:37,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 7 states. [2023-11-12 02:33:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:33:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:33:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2023-11-12 02:33:37,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-12 02:33:37,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:37,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 28 letters. Loop has 3 letters. [2023-11-12 02:33:37,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:37,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 25 letters. Loop has 6 letters. [2023-11-12 02:33:37,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:33:37,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2023-11-12 02:33:37,796 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:33:37,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2023-11-12 02:33:37,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:33:37,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:33:37,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:33:37,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:37,796 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:37,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:37,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:33:37,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-12 02:33:37,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:33:37,797 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:33:37,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:33:37,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:33:37 BoogieIcfgContainer [2023-11-12 02:33:37,810 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:33:37,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:37,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:37,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:37,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:23" (3/4) ... [2023-11-12 02:33:37,813 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:33:37,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:37,815 INFO L158 Benchmark]: Toolchain (without parser) took 14689.73ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 124.1MB in the beginning and 155.3MB in the end (delta: -31.2MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,816 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 125.8MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:37,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.36ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 113.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.39ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,817 INFO L158 Benchmark]: Boogie Preprocessor took 25.14ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 110.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,817 INFO L158 Benchmark]: RCFGBuilder took 391.17ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 99.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,817 INFO L158 Benchmark]: BuchiAutomizer took 14000.77ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 99.7MB in the beginning and 155.3MB in the end (delta: -55.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 02:33:37,818 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 239.1MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:37,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 125.8MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.36ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 113.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.39ms. Allocated memory is still 155.2MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.14ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 110.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.17ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 99.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14000.77ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 99.7MB in the beginning and 155.3MB in the end (delta: -55.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 239.1MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~a~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#in~array!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~array!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function NULL and consists of 5 locations. One deterministic module has affine ranking function NULL and consists of 6 locations. One deterministic module has affine ranking function (size + (-1 * index)) and consists of 4 locations. One nondeterministic module has affine ranking function (size + (-1 * index)) and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.9s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 12.0s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 372 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 147 mSDtfsCounter, 406 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI2 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax100 hnf100 lsp98 ukn74 mio100 lsp54 div146 bol100 ite100 ukn100 eq150 hnf93 smp79 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:33:37,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:38,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:38,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-12 02:33:38,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-12 02:33:38,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78522341-6dd1-41ac-9446-6c10948eee61/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE