./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:52,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:52,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 08:02:53,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:53,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:53,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:53,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:53,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:53,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:53,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:53,056 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:53,056 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:02:53,057 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:02:53,058 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:02:53,059 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:02:53,059 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:02:53,060 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:02:53,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:53,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:02:53,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:53,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:53,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:02:53,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:02:53,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:02:53,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:53,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:53,064 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:02:53,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:53,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:53,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:53,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:53,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:53,067 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:02:53,068 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_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d [2023-11-19 08:02:53,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:53,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:53,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:53,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:53,447 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:53,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2023-11-19 08:02:56,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:56,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:56,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2023-11-19 08:02:56,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/data/1ef60300b/b3e89af728b54aee889b4e9176ba73e5/FLAG7f7c1153c [2023-11-19 08:02:56,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/data/1ef60300b/b3e89af728b54aee889b4e9176ba73e5 [2023-11-19 08:02:56,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:56,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:56,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:56,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:56,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:56,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:56" (1/1) ... [2023-11-19 08:02:56,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9e754d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:56, skipping insertion in model container [2023-11-19 08:02:56,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:56" (1/1) ... [2023-11-19 08:02:56,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:57,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:57,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:57,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:57,288 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:57,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57 WrapperNode [2023-11-19 08:02:57,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:57,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:57,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:57,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:57,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,334 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2023-11-19 08:02:57,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:57,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:57,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:57,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:57,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:57,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:57,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:57,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:57,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (1/1) ... [2023-11-19 08:02:57,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:57,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:57,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:57,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:57,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:57,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:57,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:57,810 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:02:57,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:57 BoogieIcfgContainer [2023-11-19 08:02:57,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:57,818 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:02:57,818 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:02:57,822 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:02:57,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:57,823 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:02:56" (1/3) ... [2023-11-19 08:02:57,824 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b15142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:57, skipping insertion in model container [2023-11-19 08:02:57,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:57,825 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:57" (2/3) ... [2023-11-19 08:02:57,825 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74b15142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:57, skipping insertion in model container [2023-11-19 08:02:57,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:57,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:57" (3/3) ... [2023-11-19 08:02:57,827 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-2.i [2023-11-19 08:02:57,904 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:02:57,906 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:02:57,907 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:02:57,907 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:02:57,907 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:02:57,907 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:02:57,908 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:02:57,908 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:02:57,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:57,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 08:02:57,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:57,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:57,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 08:02:57,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:02:57,940 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:02:57,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:57,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 08:02:57,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:57,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:57,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 08:02:57,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:02:57,952 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L566true assume !(main_~array_size~0#1 < 1); 13#L566-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 6#L550-3true [2023-11-19 08:02:57,953 INFO L750 eck$LassoCheckResult]: Loop: 6#L550-3true assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 14#L554-3true assume !true; 8#L554-4true call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 15#L550-2true SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 6#L550-3true [2023-11-19 08:02:57,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:57,960 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-19 08:02:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:57,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558126571] [2023-11-19 08:02:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:58,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1463796, now seen corresponding path program 1 times [2023-11-19 08:02:58,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824762241] [2023-11-19 08:02:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:58,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:58,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824762241] [2023-11-19 08:02:58,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824762241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:58,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:58,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:58,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599004697] [2023-11-19 08:02:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:58,287 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:02:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:58,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:58,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:58,354 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:58,360 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2023-11-19 08:02:58,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2023-11-19 08:02:58,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 08:02:58,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2023-11-19 08:02:58,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 08:02:58,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 08:02:58,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2023-11-19 08:02:58,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:58,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 08:02:58,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2023-11-19 08:02:58,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-19 08:02:58,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-11-19 08:02:58,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 08:02:58,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:58,404 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 08:02:58,404 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:02:58,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2023-11-19 08:02:58,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 08:02:58,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:58,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:58,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 08:02:58,408 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:02:58,409 INFO L748 eck$LassoCheckResult]: Stem: 41#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 46#L566 assume !(main_~array_size~0#1 < 1); 43#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 44#L550-3 [2023-11-19 08:02:58,409 INFO L750 eck$LassoCheckResult]: Loop: 44#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 40#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 45#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 47#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 44#L550-3 [2023-11-19 08:02:58,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2023-11-19 08:02:58,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530179925] [2023-11-19 08:02:58,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:58,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1453225, now seen corresponding path program 1 times [2023-11-19 08:02:58,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847568190] [2023-11-19 08:02:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:58,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:58,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847568190] [2023-11-19 08:02:58,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847568190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:58,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:58,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174378586] [2023-11-19 08:02:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:58,565 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:02:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:58,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:58,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:58,566 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:58,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:58,594 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2023-11-19 08:02:58,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2023-11-19 08:02:58,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 08:02:58,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. [2023-11-19 08:02:58,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 08:02:58,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 08:02:58,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-19 08:02:58,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:58,597 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 08:02:58,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-19 08:02:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-19 08:02:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-19 08:02:58,599 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 08:02:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:58,606 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 08:02:58,607 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:02:58,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-19 08:02:58,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 08:02:58,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:58,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:58,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 08:02:58,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:58,609 INFO L748 eck$LassoCheckResult]: Stem: 68#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 73#L566 assume !(main_~array_size~0#1 < 1); 70#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 71#L550-3 [2023-11-19 08:02:58,610 INFO L750 eck$LassoCheckResult]: Loop: 71#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 72#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 65#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 66#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 67#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 74#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 75#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 71#L550-3 [2023-11-19 08:02:58,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,610 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2023-11-19 08:02:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292499883] [2023-11-19 08:02:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:58,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash 393067660, now seen corresponding path program 1 times [2023-11-19 08:02:58,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034421841] [2023-11-19 08:02:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:58,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1419424808, now seen corresponding path program 1 times [2023-11-19 08:02:58,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:58,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492785291] [2023-11-19 08:02:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:58,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:59,388 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:02:59,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:02:59,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:02:59,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:02:59,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:02:59,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:59,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:02:59,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:02:59,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration3_Lasso [2023-11-19 08:02:59,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:02:59,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:02:59,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:59,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:00,355 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:00,360 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:00,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:00,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 08:03:00,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:00,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:00,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:00,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:00,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:00,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:00,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:00,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:00,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:00,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:03:00,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:00,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:00,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:00,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:00,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:00,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:00,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:00,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:00,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:00,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:00,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:00,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:00,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:00,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:00,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:03:00,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:00,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:00,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:00,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:00,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:00,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:00,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:00,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:00,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:00,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:03:00,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:00,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:00,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:00,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:00,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,662 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:00,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 08:03:00,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:00,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:00,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:00,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:00,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:00,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:00,754 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:00,854 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2023-11-19 08:03:00,854 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2023-11-19 08:03:00,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:00,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:00,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:00,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 08:03:00,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:00,920 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 08:03:00,920 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:00,921 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~i~0#1, ULTIMATE.start_SelectionSort_#in~array_size#1) = -1*ULTIMATE.start_SelectionSort_~i~0#1 + 1*ULTIMATE.start_SelectionSort_#in~array_size#1 Supporting invariants [1*ULTIMATE.start_SelectionSort_#in~array_size#1 - 1*ULTIMATE.start_SelectionSort_~array_size#1 >= 0] [2023-11-19 08:03:00,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:00,980 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2023-11-19 08:03:01,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:01,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:01,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:01,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:01,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:03:01,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:03:01,224 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:03:01,226 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:01,309 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 4 states. [2023-11-19 08:03:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:03:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-19 08:03:01,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-19 08:03:01,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:01,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-19 08:03:01,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:01,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-19 08:03:01,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:01,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2023-11-19 08:03:01,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:01,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 22 transitions. [2023-11-19 08:03:01,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 08:03:01,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 08:03:01,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-11-19 08:03:01,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:01,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-19 08:03:01,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-11-19 08:03:01,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 08:03:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2023-11-19 08:03:01,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-19 08:03:01,334 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-19 08:03:01,334 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 08:03:01,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2023-11-19 08:03:01,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:01,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:01,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:01,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:01,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 08:03:01,336 INFO L748 eck$LassoCheckResult]: Stem: 178#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 185#L566 assume !(main_~array_size~0#1 < 1); 180#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 181#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 175#L554-3 [2023-11-19 08:03:01,336 INFO L750 eck$LassoCheckResult]: Loop: 175#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 171#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 172#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 175#L554-3 [2023-11-19 08:03:01,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:01,337 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2023-11-19 08:03:01,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:01,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208320902] [2023-11-19 08:03:01,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:01,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:01,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:01,392 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2023-11-19 08:03:01,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:01,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108937002] [2023-11-19 08:03:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:01,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:01,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:01,425 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2023-11-19 08:03:01,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:01,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163191174] [2023-11-19 08:03:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:01,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:01,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:01,871 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:01,871 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:01,871 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:01,871 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:01,871 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:03:01,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:01,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:01,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:01,872 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration4_Lasso [2023-11-19 08:03:01,872 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:01,872 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:01,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,561 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:02,561 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:02,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 08:03:02,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,624 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 08:03:02,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 08:03:02,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,777 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 08:03:02,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,832 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,835 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 [2023-11-19 08:03:02,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 08:03:02,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,881 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 08:03:02,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 08:03:02,930 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 [2023-11-19 08:03:02,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,982 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 08:03:03,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,041 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:03,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:03,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:03,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 08:03:03,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,088 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 08:03:03,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 08:03:03,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,216 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:03,244 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 08:03:03,244 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-19 08:03:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,246 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:03,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 08:03:03,281 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:03:03,281 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:03,281 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~array_size#1, ULTIMATE.start_SelectionSort_~j~0#1) = 1*ULTIMATE.start_SelectionSort_~array_size#1 - 1*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2023-11-19 08:03:03,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,315 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-19 08:03:03,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:03,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:03:03,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:03,396 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:03:03,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 7 states. [2023-11-19 08:03:03,432 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 [2023-11-19 08:03:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-19 08:03:03,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-19 08:03:03,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:03,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-19 08:03:03,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:03,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 6 letters. [2023-11-19 08:03:03,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:03,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2023-11-19 08:03:03,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:03,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 22 states and 30 transitions. [2023-11-19 08:03:03,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 08:03:03,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-19 08:03:03,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2023-11-19 08:03:03,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:03,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2023-11-19 08:03:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2023-11-19 08:03:03,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2023-11-19 08:03:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-19 08:03:03,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 08:03:03,441 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 08:03:03,441 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 08:03:03,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-19 08:03:03,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:03,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:03,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:03,443 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:03,443 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 08:03:03,443 INFO L748 eck$LassoCheckResult]: Stem: 289#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 296#L566 assume !(main_~array_size~0#1 < 1); 291#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 292#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 288#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 284#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 285#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 287#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 294#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 295#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 293#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 286#L554-3 [2023-11-19 08:03:03,443 INFO L750 eck$LassoCheckResult]: Loop: 286#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 282#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 283#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 286#L554-3 [2023-11-19 08:03:03,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1109754407, now seen corresponding path program 1 times [2023-11-19 08:03:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701569079] [2023-11-19 08:03:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:03,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701569079] [2023-11-19 08:03:03,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701569079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758992440] [2023-11-19 08:03:03,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:03,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,537 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-19 08:03:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:03:03,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:03,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:03,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758992440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:03,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:03,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-11-19 08:03:03,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674252209] [2023-11-19 08:03:03,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:03,666 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:03,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2023-11-19 08:03:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:03,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214655071] [2023-11-19 08:03:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:03,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:03:03,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:03:03,767 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:03,832 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2023-11-19 08:03:03,832 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2023-11-19 08:03:03,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:03,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 35 transitions. [2023-11-19 08:03:03,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:03:03,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:03:03,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2023-11-19 08:03:03,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:03,842 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-11-19 08:03:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2023-11-19 08:03:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2023-11-19 08:03:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-19 08:03:03,847 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-19 08:03:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:03:03,851 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-19 08:03:03,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 08:03:03,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-19 08:03:03,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 08:03:03,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:03,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:03,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:03,855 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 08:03:03,855 INFO L748 eck$LassoCheckResult]: Stem: 412#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 413#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 420#L566 assume !(main_~array_size~0#1 < 1); 414#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 415#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 416#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 422#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 410#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 411#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 407#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 408#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 421#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 418#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 419#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 417#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 409#L554-3 [2023-11-19 08:03:03,855 INFO L750 eck$LassoCheckResult]: Loop: 409#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 405#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 406#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 409#L554-3 [2023-11-19 08:03:03,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash -366799804, now seen corresponding path program 2 times [2023-11-19 08:03:03,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:03,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914828656] [2023-11-19 08:03:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:03,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,935 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2023-11-19 08:03:03,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:03,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767966623] [2023-11-19 08:03:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:03,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:03,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,958 INFO L85 PathProgramCache]: Analyzing trace with hash -936135015, now seen corresponding path program 1 times [2023-11-19 08:03:03,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693645949] [2023-11-19 08:03:03,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:04,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:04,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:04,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:04,762 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:04,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:04,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:04,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:04,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:03:04,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:04,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:04,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:04,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration6_Lasso [2023-11-19 08:03:04,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:04,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:04,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:04,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:04,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:04,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:05,477 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:05,477 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:05,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,482 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:05,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:05,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:05,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:05,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:05,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:05,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:05,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:05,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 08:03:05,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:05,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:05,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:05,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:05,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:05,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:05,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:05,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:05,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:05,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 08:03:05,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:05,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:05,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:05,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,608 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:05,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:05,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:05,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:05,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:05,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:05,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:05,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:05,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 08:03:05,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:05,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:05,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,656 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:05,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 08:03:05,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:05,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:05,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:05,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:05,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:05,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:05,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:05,740 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 08:03:05,740 INFO L444 ModelExtractionUtils]: 19 out of 31 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-19 08:03:05,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,741 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 08:03:05,743 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:05,754 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:03:05,754 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:05,754 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_3, ULTIMATE.start_SelectionSort_~a#1.offset, ULTIMATE.start_SelectionSort_~j~0#1) = 2*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_3 - 1*ULTIMATE.start_SelectionSort_~a#1.offset - 4*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2023-11-19 08:03:05,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:05,800 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-19 08:03:05,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~a!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:03:05,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~a!base] could not be translated [2023-11-19 08:03:05,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:05,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:05,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:05,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:03:05,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:05,924 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:03:05,924 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:05,986 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 7 states. [2023-11-19 08:03:05,987 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 [2023-11-19 08:03:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-19 08:03:05,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-19 08:03:05,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:05,989 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:03:06,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:06,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:03:06,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:06,104 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 [2023-11-19 08:03:06,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 7 states. [2023-11-19 08:03:06,136 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 [2023-11-19 08:03:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-19 08:03:06,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-19 08:03:06,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:06,138 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:03:06,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:06,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:03:06,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:06,250 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 [2023-11-19 08:03:06,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,292 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 39 transitions. Complement of second has 6 states. [2023-11-19 08:03:06,293 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 [2023-11-19 08:03:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-11-19 08:03:06,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-19 08:03:06,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:06,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-19 08:03:06,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:06,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-19 08:03:06,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:06,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 39 transitions. [2023-11-19 08:03:06,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:03:06,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-11-19 08:03:06,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:03:06,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:03:06,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:03:06,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:06,304 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:06,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:06,304 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:06,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 08:03:06,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:03:06,305 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:03:06,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:03:06,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:03:06 BoogieIcfgContainer [2023-11-19 08:03:06,313 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:03:06,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:06,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:06,314 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:06,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:57" (3/4) ... [2023-11-19 08:03:06,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:03:06,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:06,320 INFO L158 Benchmark]: Toolchain (without parser) took 9530.57ms. Allocated memory was 136.3MB in the beginning and 209.7MB in the end (delta: 73.4MB). Free memory was 90.8MB in the beginning and 134.1MB in the end (delta: -43.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,320 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:06,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.57ms. Allocated memory is still 136.3MB. Free memory was 90.8MB in the beginning and 74.7MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.17ms. Allocated memory is still 136.3MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,322 INFO L158 Benchmark]: Boogie Preprocessor took 27.66ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 71.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,323 INFO L158 Benchmark]: RCFGBuilder took 451.77ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 71.5MB in the beginning and 144.5MB in the end (delta: -73.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,324 INFO L158 Benchmark]: BuchiAutomizer took 8495.41ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 143.6MB in the beginning and 134.1MB in the end (delta: 9.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:06,325 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 209.7MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:06,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.57ms. Allocated memory is still 136.3MB. Free memory was 90.8MB in the beginning and 74.7MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.17ms. Allocated memory is still 136.3MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.66ms. Allocated memory is still 136.3MB. Free memory was 72.6MB in the beginning and 71.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.77ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 71.5MB in the beginning and 144.5MB in the end (delta: -73.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8495.41ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 143.6MB in the beginning and 134.1MB in the end (delta: 9.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 209.7MB. Free memory is still 134.1MB. 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: Expression ~a!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~a!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (\old(array_size) + (-1 * i)) and consists of 3 locations. One deterministic module has affine ranking function (array_size + (-1 * j)) and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 86 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital174 mio100 ax110 hnf100 lsp85 ukn78 mio100 lsp60 div146 bol100 ite100 ukn100 eq154 hnf93 smp77 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 08:03:06,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:06,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-19 08:03:06,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e9257f-edb4-455e-9537-e1fbdfa4f2e3/bin/uautomizer-verify-uCwYo4JHxu/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