./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:25,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:25,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:07:25,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:25,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:25,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:25,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:25,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:25,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:25,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:25,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:25,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:25,453 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:25,457 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:07:25,457 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:07:25,458 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:07:25,458 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:07:25,458 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:07:25,459 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:07:25,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:25,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:07:25,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:25,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:25,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:25,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:25,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:07:25,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:07:25,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:07:25,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:25,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:07:25,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:25,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:25,465 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:07:25,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:25,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:25,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:25,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:25,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:25,468 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:07:25,469 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_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 [2024-10-31 22:07:25,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:25,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:25,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:25,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:25,828 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:25,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i Unable to find full path for "g++" [2024-10-31 22:07:27,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:28,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:28,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2024-10-31 22:07:28,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/data/a09ae184a/4521a8732dcb4208838d1db57a337859/FLAG9a70620c0 [2024-10-31 22:07:28,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/data/a09ae184a/4521a8732dcb4208838d1db57a337859 [2024-10-31 22:07:28,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:28,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:28,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:28,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:28,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:28,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4795a489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28, skipping insertion in model container [2024-10-31 22:07:28,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:28,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:28,530 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:28,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:28,604 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:28,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28 WrapperNode [2024-10-31 22:07:28,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:28,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:28,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:28,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:28,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,669 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-10-31 22:07:28,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:28,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:28,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:28,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:28,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,717 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-10-31 22:07:28,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:28,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:28,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:28,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:28,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (1/1) ... [2024-10-31 22:07:28,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:28,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:07:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:07:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:07:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:07:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:29,062 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:29,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:29,238 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:29,239 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:29,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:29,254 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:07:29,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:29 BoogieIcfgContainer [2024-10-31 22:07:29,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:29,257 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:07:29,257 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:07:29,262 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:07:29,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:07:29,264 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:07:28" (1/3) ... [2024-10-31 22:07:29,266 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d2c907d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:07:29, skipping insertion in model container [2024-10-31 22:07:29,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:07:29,266 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:28" (2/3) ... [2024-10-31 22:07:29,267 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d2c907d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:07:29, skipping insertion in model container [2024-10-31 22:07:29,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:07:29,268 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:29" (3/3) ... [2024-10-31 22:07:29,270 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-1.i [2024-10-31 22:07:29,344 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:07:29,344 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:07:29,344 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:07:29,344 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:07:29,344 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:07:29,345 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:07:29,345 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:07:29,345 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:07:29,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:29,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-31 22:07:29,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:29,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:29,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:07:29,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:07:29,405 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:07:29,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:29,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-31 22:07:29,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:29,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:29,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:07:29,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:07:29,421 INFO L745 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L531true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 13#L531-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 12#L536-3true [2024-10-31 22:07:29,422 INFO L747 eck$LassoCheckResult]: Loop: 12#L536-3true assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3#L536-2true main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 12#L536-3true [2024-10-31 22:07:29,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:29,429 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-10-31 22:07:29,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:29,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086811263] [2024-10-31 22:07:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:29,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:29,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:29,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2024-10-31 22:07:29,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:29,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741161803] [2024-10-31 22:07:29,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:29,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:29,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:29,660 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2024-10-31 22:07:29,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:29,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691777170] [2024-10-31 22:07:29,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:29,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:29,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:30,106 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:30,107 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:30,107 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:30,107 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:30,108 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:30,108 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,108 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:30,108 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:30,108 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration1_Lasso [2024-10-31 22:07:30,109 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:30,109 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:30,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:30,736 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:30,741 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:07:30,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:30,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:30,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:30,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:30,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:30,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:30,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:30,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:30,788 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:07:30,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:07:30,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:30,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:30,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:30,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:30,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:30,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:30,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:30,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:30,834 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:30,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:07:30,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:07:30,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:30,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:30,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:30,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:30,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:30,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:30,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:30,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:30,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:07:30,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,906 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:07:30,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:30,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:30,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:30,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:30,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:30,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:30,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:30,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:30,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:30,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:07:30,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:30,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,955 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:07:30,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:30,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:30,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:30,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:30,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:30,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:30,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:30,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:31,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:31,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:31,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:31,006 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:31,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:07:31,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:31,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:31,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:31,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:31,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:31,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:31,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:31,037 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:31,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:31,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:31,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:31,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:07:31,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:31,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:31,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:31,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:31,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:31,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:31,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:31,120 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:31,155 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 22:07:31,155 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 22:07:31,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:31,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:31,168 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:31,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:07:31,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:31,189 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:07:31,189 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:31,190 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~array_size~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-31 22:07:31,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:07:31,228 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-10-31 22:07:31,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:07:31,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:07:31,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,383 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 [2024-10-31 22:07:31,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,430 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 44 transitions. Complement of second has 6 states. [2024-10-31 22:07:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-10-31 22:07:31,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:07:31,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:31,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:07:31,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:31,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 22:07:31,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:31,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 44 transitions. [2024-10-31 22:07:31,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 22:07:31,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 14 states and 20 transitions. [2024-10-31 22:07:31,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 22:07:31,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:07:31,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-10-31 22:07:31,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:31,460 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-10-31 22:07:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-10-31 22:07:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 22:07:31,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2024-10-31 22:07:31,491 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-10-31 22:07:31,491 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-10-31 22:07:31,491 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:07:31,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2024-10-31 22:07:31,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 22:07:31,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:31,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:31,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:07:31,494 INFO L745 eck$LassoCheckResult]: Stem: 114#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 109#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 110#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 113#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 103#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 104#L515-3 [2024-10-31 22:07:31,494 INFO L747 eck$LassoCheckResult]: Loop: 104#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 106#L519-3 assume !true; 111#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 105#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 104#L515-3 [2024-10-31 22:07:31,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2024-10-31 22:07:31,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311366855] [2024-10-31 22:07:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311366855] [2024-10-31 22:07:31,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311366855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:31,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998441191] [2024-10-31 22:07:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,623 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:07:31,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1894772, now seen corresponding path program 1 times [2024-10-31 22:07:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605518946] [2024-10-31 22:07:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605518946] [2024-10-31 22:07:31,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605518946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:31,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477411659] [2024-10-31 22:07:31,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,648 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:07:31,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:31,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:07:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:31,652 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:31,658 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-10-31 22:07:31,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2024-10-31 22:07:31,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 22:07:31,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2024-10-31 22:07:31,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:07:31,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 22:07:31,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2024-10-31 22:07:31,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:31,660 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 22:07:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2024-10-31 22:07:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-10-31 22:07:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2024-10-31 22:07:31,662 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 22:07:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:07:31,663 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2024-10-31 22:07:31,664 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:07:31,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2024-10-31 22:07:31,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-10-31 22:07:31,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:31,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:31,666 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,666 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:07:31,666 INFO L745 eck$LassoCheckResult]: Stem: 149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 144#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 145#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 148#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 138#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 139#L515-3 [2024-10-31 22:07:31,666 INFO L747 eck$LassoCheckResult]: Loop: 139#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 140#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 146#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 141#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 139#L515-3 [2024-10-31 22:07:31,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,667 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2024-10-31 22:07:31,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867718735] [2024-10-31 22:07:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867718735] [2024-10-31 22:07:31,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867718735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:31,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502209315] [2024-10-31 22:07:31,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,749 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:07:31,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1884201, now seen corresponding path program 1 times [2024-10-31 22:07:31,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946081917] [2024-10-31 22:07:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946081917] [2024-10-31 22:07:31,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946081917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:31,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688292612] [2024-10-31 22:07:31,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,791 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:07:31,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:31,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:31,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:31,792 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:31,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:31,814 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-31 22:07:31,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2024-10-31 22:07:31,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:31,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 22:07:31,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:07:31,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:07:31,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-10-31 22:07:31,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:31,819 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 22:07:31,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-10-31 22:07:31,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-31 22:07:31,820 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) [2024-10-31 22:07:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-31 22:07:31,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 22:07:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:31,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-31 22:07:31,824 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:07:31,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-31 22:07:31,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:31,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:31,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:31,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,827 INFO L745 eck$LassoCheckResult]: Stem: 186#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 181#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 182#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 185#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 175#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 176#L515-3 [2024-10-31 22:07:31,827 INFO L747 eck$LassoCheckResult]: Loop: 176#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 177#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 184#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 179#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 180#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 187#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 178#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 176#L515-3 [2024-10-31 22:07:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 3 times [2024-10-31 22:07:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916499279] [2024-10-31 22:07:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:31,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916499279] [2024-10-31 22:07:31,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916499279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:31,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494590745] [2024-10-31 22:07:31,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,913 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:07:31,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 1 times [2024-10-31 22:07:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583677436] [2024-10-31 22:07:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:31,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:31,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:32,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:32,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:32,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:32,149 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:32,177 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2024-10-31 22:07:32,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-10-31 22:07:32,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:32,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2024-10-31 22:07:32,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:07:32,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:07:32,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2024-10-31 22:07:32,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:32,179 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:07:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2024-10-31 22:07:32,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-10-31 22:07:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2024-10-31 22:07:32,181 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-10-31 22:07:32,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:32,183 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2024-10-31 22:07:32,183 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:07:32,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2024-10-31 22:07:32,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:32,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:32,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:32,184 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:32,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:32,185 INFO L745 eck$LassoCheckResult]: Stem: 224#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 220#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 221#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 223#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 211#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 212#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 213#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 214#L515-3 [2024-10-31 22:07:32,185 INFO L747 eck$LassoCheckResult]: Loop: 214#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 215#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 222#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 217#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 218#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 225#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 216#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 214#L515-3 [2024-10-31 22:07:32,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2024-10-31 22:07:32,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:32,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856938138] [2024-10-31 22:07:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:32,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:32,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:32,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:32,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:32,212 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 2 times [2024-10-31 22:07:32,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:32,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119589800] [2024-10-31 22:07:32,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:32,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:32,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:32,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:32,234 INFO L85 PathProgramCache]: Analyzing trace with hash 651542188, now seen corresponding path program 1 times [2024-10-31 22:07:32,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:32,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033381098] [2024-10-31 22:07:32,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:07:32,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:32,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033381098] [2024-10-31 22:07:32,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033381098] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:32,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956023309] [2024-10-31 22:07:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:32,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:32,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:32,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:32,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:07:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:07:32,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:07:32,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:32,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:07:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:07:32,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956023309] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:32,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:32,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-31 22:07:32,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906832484] [2024-10-31 22:07:32,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:32,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:32,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:07:32,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:07:32,936 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:33,049 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2024-10-31 22:07:33,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2024-10-31 22:07:33,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:33,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2024-10-31 22:07:33,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:07:33,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:07:33,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2024-10-31 22:07:33,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:07:33,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-31 22:07:33,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2024-10-31 22:07:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-10-31 22:07:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-10-31 22:07:33,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-31 22:07:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:07:33,056 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-31 22:07:33,056 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:07:33,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-10-31 22:07:33,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-10-31 22:07:33,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:33,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:33,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:33,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:33,057 INFO L745 eck$LassoCheckResult]: Stem: 369#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 364#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 365#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 367#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 355#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 356#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 368#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 371#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 357#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 358#L515-3 [2024-10-31 22:07:33,058 INFO L747 eck$LassoCheckResult]: Loop: 358#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 360#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 366#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 361#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 362#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 370#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 359#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 358#L515-3 [2024-10-31 22:07:33,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2024-10-31 22:07:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124224168] [2024-10-31 22:07:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:33,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash 347385690, now seen corresponding path program 3 times [2024-10-31 22:07:33,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:33,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936479448] [2024-10-31 22:07:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:33,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:33,132 INFO L85 PathProgramCache]: Analyzing trace with hash 219717770, now seen corresponding path program 2 times [2024-10-31 22:07:33,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:33,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51254388] [2024-10-31 22:07:33,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:33,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:33,705 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:33,705 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:33,705 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:33,706 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:33,706 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:33,706 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:33,706 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:33,706 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:33,706 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration6_Lasso [2024-10-31 22:07:33,707 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:33,707 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:33,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:33,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:34,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:34,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:34,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:34,267 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:34,268 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:34,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:07:34,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:34,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:34,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:34,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:34,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:07:34,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,312 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:07:34,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:34,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:34,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:34,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:34,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:07:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:07:34,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:34,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:34,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:34,375 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:34,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:07:34,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,396 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:07:34,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:34,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:34,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:34,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:34,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:07:34,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,459 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:07:34,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:34,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:34,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:34,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:34,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,503 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:07:34,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:34,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:34,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:34,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:34,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:34,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:34,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:34,540 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:34,594 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-10-31 22:07:34,594 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-10-31 22:07:34,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:34,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:34,597 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:34,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:07:34,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:34,620 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:07:34,621 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:34,621 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~array_size#1, ULTIMATE.start_SelectionSort_~i~0#1) = 1*ULTIMATE.start_SelectionSort_~array_size#1 - 1*ULTIMATE.start_SelectionSort_~i~0#1 Supporting invariants [] [2024-10-31 22:07:34,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:07:34,656 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-10-31 22:07:34,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:34,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:07:34,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:34,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:07:34,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:07:34,774 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 [2024-10-31 22:07:34,775 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:34,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 4 states. [2024-10-31 22:07:34,811 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 [2024-10-31 22:07:34,812 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) [2024-10-31 22:07:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-10-31 22:07:34,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 7 letters. [2024-10-31 22:07:34,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:34,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 17 letters. Loop has 7 letters. [2024-10-31 22:07:34,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:34,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 10 letters. Loop has 14 letters. [2024-10-31 22:07:34,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:34,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2024-10-31 22:07:34,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:07:34,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 28 transitions. [2024-10-31 22:07:34,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:07:34,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-31 22:07:34,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2024-10-31 22:07:34,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:34,818 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-10-31 22:07:34,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2024-10-31 22:07:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-10-31 22:07:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-10-31 22:07:34,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-31 22:07:34,820 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-10-31 22:07:34,820 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:07:34,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2024-10-31 22:07:34,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:07:34,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:34,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:34,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:34,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:34,825 INFO L745 eck$LassoCheckResult]: Stem: 504#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 498#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 499#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 502#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 486#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 487#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 503#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 506#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 488#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 489#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 493#L519-3 [2024-10-31 22:07:34,825 INFO L747 eck$LassoCheckResult]: Loop: 493#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 500#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 494#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 493#L519-3 [2024-10-31 22:07:34,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:34,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2024-10-31 22:07:34,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:34,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164091312] [2024-10-31 22:07:34,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:34,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:34,859 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2024-10-31 22:07:34,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:34,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963273362] [2024-10-31 22:07:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:34,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:34,875 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2024-10-31 22:07:34,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:34,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3013295] [2024-10-31 22:07:34,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:34,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:35,341 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:35,342 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:35,342 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:35,342 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:35,342 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:35,342 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:35,342 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:35,342 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:35,343 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration7_Lasso [2024-10-31 22:07:35,343 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:35,343 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:35,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:35,995 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:35,995 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:35,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:35,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:35,997 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:07:36,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,013 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,033 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:07:36,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 22:07:36,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,076 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:07:36,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:07:36,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,119 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:07:36,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:07:36,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,160 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:07:36,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:07:36,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,200 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:07:36,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,240 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:07:36,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:36,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:36,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:07:36,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,281 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:07:36,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:07:36,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,322 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:07:36,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,342 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:07:36,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,362 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:07:36,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 22:07:36,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,405 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:07:36,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:36,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:36,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,449 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:07:36,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:36,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:36,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:36,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:07:36,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,490 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,493 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 [2024-10-31 22:07:36,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:07:36,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:36,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:36,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:36,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,555 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:07:36,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:36,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:36,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:36,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:36,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:36,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:36,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:36,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:36,648 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-10-31 22:07:36,648 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-10-31 22:07:36,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:36,651 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:36,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:07:36,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:36,669 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-10-31 22:07:36,669 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:36,670 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~min~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3) = -4*ULTIMATE.start_SelectionSort_~min~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 Supporting invariants [1*ULTIMATE.start_SelectionSort_~j~0#1 - 1*ULTIMATE.start_SelectionSort_~min~0#1 - 1 >= 0, 1*ULTIMATE.start_SelectionSort_~a#1.offset >= 0] [2024-10-31 22:07:36,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:36,711 INFO L156 tatePredicateManager]: 4 out of 7 supporting invariants were superfluous and have been removed [2024-10-31 22:07:36,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:07:36,719 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:07:36,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:36,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:36,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:36,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:07:36,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:36,957 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2024-10-31 22:07:36,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.0) 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) [2024-10-31 22:07:37,077 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.0) 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) Result 39 states and 50 transitions. Complement of second has 10 states. [2024-10-31 22:07:37,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 22:07:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) 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) [2024-10-31 22:07:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 14 transitions. [2024-10-31 22:07:37,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2024-10-31 22:07:37,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:37,079 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:07:37,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:37,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:37,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:37,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:07:37,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:37,306 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2024-10-31 22:07:37,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.0) 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) [2024-10-31 22:07:37,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 2.0) 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) Result 42 states and 57 transitions. Complement of second has 11 states. [2024-10-31 22:07:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) 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) [2024-10-31 22:07:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2024-10-31 22:07:37,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2024-10-31 22:07:37,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:37,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2024-10-31 22:07:37,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:37,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2024-10-31 22:07:37,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:37,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2024-10-31 22:07:37,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:37,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 40 states and 54 transitions. [2024-10-31 22:07:37,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:07:37,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-31 22:07:37,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 54 transitions. [2024-10-31 22:07:37,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:37,429 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 54 transitions. [2024-10-31 22:07:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 54 transitions. [2024-10-31 22:07:37,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-10-31 22:07:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2024-10-31 22:07:37,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 53 transitions. [2024-10-31 22:07:37,438 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2024-10-31 22:07:37,438 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 22:07:37,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 53 transitions. [2024-10-31 22:07:37,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:37,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:37,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:37,440 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:37,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:37,441 INFO L745 eck$LassoCheckResult]: Stem: 784#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 775#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 776#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 777#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 782#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 761#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 762#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 783#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 786#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 763#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 764#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 766#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 778#L521 [2024-10-31 22:07:37,441 INFO L747 eck$LassoCheckResult]: Loop: 778#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 771#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 772#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 778#L521 [2024-10-31 22:07:37,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:37,442 INFO L85 PathProgramCache]: Analyzing trace with hash -304736135, now seen corresponding path program 1 times [2024-10-31 22:07:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:37,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409561374] [2024-10-31 22:07:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:37,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:37,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:37,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 1 times [2024-10-31 22:07:37,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966119587] [2024-10-31 22:07:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:37,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:37,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:37,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:37,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1166709708, now seen corresponding path program 1 times [2024-10-31 22:07:37,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:37,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958542374] [2024-10-31 22:07:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:37,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:37,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:37,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958542374] [2024-10-31 22:07:37,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958542374] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:37,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276146040] [2024-10-31 22:07:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:37,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:37,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:37,665 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:37,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-31 22:07:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:37,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:07:37,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:37,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:37,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276146040] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:37,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:37,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-10-31 22:07:37,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803542886] [2024-10-31 22:07:37,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:37,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:37,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:07:37,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:07:37,992 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. cyclomatic complexity: 21 Second operand has 14 states, 13 states have (on average 2.0) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:38,113 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-10-31 22:07:38,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 91 transitions. [2024-10-31 22:07:38,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:38,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 42 states and 56 transitions. [2024-10-31 22:07:38,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:07:38,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:07:38,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2024-10-31 22:07:38,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:38,115 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 56 transitions. [2024-10-31 22:07:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2024-10-31 22:07:38,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2024-10-31 22:07:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2024-10-31 22:07:38,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 55 transitions. [2024-10-31 22:07:38,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:07:38,120 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 55 transitions. [2024-10-31 22:07:38,120 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 22:07:38,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 55 transitions. [2024-10-31 22:07:38,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:38,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:38,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:38,121 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:38,121 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:38,121 INFO L745 eck$LassoCheckResult]: Stem: 1005#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 993#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 994#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 995#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1002#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 980#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 981#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1008#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1003#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1004#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1007#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 982#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 983#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 987#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 998#L521 [2024-10-31 22:07:38,121 INFO L747 eck$LassoCheckResult]: Loop: 998#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 999#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 1014#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 998#L521 [2024-10-31 22:07:38,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:38,122 INFO L85 PathProgramCache]: Analyzing trace with hash -740576421, now seen corresponding path program 2 times [2024-10-31 22:07:38,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:38,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707655236] [2024-10-31 22:07:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:38,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 2 times [2024-10-31 22:07:38,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:38,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230161727] [2024-10-31 22:07:38,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:38,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:38,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:38,184 INFO L85 PathProgramCache]: Analyzing trace with hash 734885290, now seen corresponding path program 2 times [2024-10-31 22:07:38,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:38,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103213025] [2024-10-31 22:07:38,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:38,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:38,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:38,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:07:38,975 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:38,975 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:38,975 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:38,975 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:38,975 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:38,975 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:38,976 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:38,976 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:38,976 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration9_Lasso [2024-10-31 22:07:38,976 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:38,976 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:38,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,329 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:39,720 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:39,720 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:39,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,724 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:07:39,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:39,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:39,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:39,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:39,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:39,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:39,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:39,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:39,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,788 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:07:39,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:39,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:39,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:39,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:39,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:39,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:39,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:39,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:39,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:39,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:07:39,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,831 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:07:39,835 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 [2024-10-31 22:07:39,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:39,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:39,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:39,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:39,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:39,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:39,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:39,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:39,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:39,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,877 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:07:39,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:39,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:39,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:39,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:39,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:39,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:39,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:39,914 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:39,951 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-10-31 22:07:39,951 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-31 22:07:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:39,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:39,954 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:39,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:39,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:07:39,972 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:07:39,972 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:39,972 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_3, ULTIMATE.start_SelectionSort_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_3 - 4*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2024-10-31 22:07:39,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:40,006 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-10-31 22:07:40,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:07:40,008 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:07:40,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:40,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:07:40,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:40,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:40,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:07:40,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:40,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-10-31 22:07:40,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 55 transitions. cyclomatic complexity: 21 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:40,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 55 transitions. cyclomatic complexity: 21. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 80 transitions. Complement of second has 9 states. [2024-10-31 22:07:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-31 22:07:40,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 14 letters. Loop has 3 letters. [2024-10-31 22:07:40,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:40,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 17 letters. Loop has 3 letters. [2024-10-31 22:07:40,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:40,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 22:07:40,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:40,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 80 transitions. [2024-10-31 22:07:40,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:40,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 52 states and 68 transitions. [2024-10-31 22:07:40,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:07:40,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:07:40,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 68 transitions. [2024-10-31 22:07:40,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:40,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 68 transitions. [2024-10-31 22:07:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 68 transitions. [2024-10-31 22:07:40,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2024-10-31 22:07:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 45 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2024-10-31 22:07:40,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-10-31 22:07:40,240 INFO L425 stractBuchiCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-10-31 22:07:40,240 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 22:07:40,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 60 transitions. [2024-10-31 22:07:40,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:40,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:40,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:40,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:40,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:40,242 INFO L745 eck$LassoCheckResult]: Stem: 1221#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1210#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1211#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1218#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1219#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1220#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1196#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1197#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1224#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1223#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1198#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 1199#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1203#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1212#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 1228#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 1226#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1214#L521 [2024-10-31 22:07:40,242 INFO L747 eck$LassoCheckResult]: Loop: 1214#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 1215#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 1231#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1214#L521 [2024-10-31 22:07:40,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:40,243 INFO L85 PathProgramCache]: Analyzing trace with hash 734883368, now seen corresponding path program 2 times [2024-10-31 22:07:40,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:40,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278457614] [2024-10-31 22:07:40,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:40,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:40,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:40,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 3 times [2024-10-31 22:07:40,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:40,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430474279] [2024-10-31 22:07:40,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:40,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:40,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:40,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:40,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:40,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1462152125, now seen corresponding path program 1 times [2024-10-31 22:07:40,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:40,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231830453] [2024-10-31 22:07:40,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:40,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:40,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231830453] [2024-10-31 22:07:40,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231830453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:40,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202972453] [2024-10-31 22:07:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:40,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:40,560 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:40,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-31 22:07:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:40,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:07:40,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:40,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202972453] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:40,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:40,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-10-31 22:07:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512977732] [2024-10-31 22:07:40,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:40,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:40,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 22:07:40,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:07:40,922 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. cyclomatic complexity: 22 Second operand has 17 states, 16 states have (on average 2.125) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:41,142 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2024-10-31 22:07:41,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 134 transitions. [2024-10-31 22:07:41,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:41,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 49 states and 63 transitions. [2024-10-31 22:07:41,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:07:41,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:07:41,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 63 transitions. [2024-10-31 22:07:41,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:41,145 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-10-31 22:07:41,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 63 transitions. [2024-10-31 22:07:41,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-10-31 22:07:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 47 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2024-10-31 22:07:41,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-31 22:07:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:07:41,153 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 62 transitions. [2024-10-31 22:07:41,153 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 22:07:41,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 62 transitions. [2024-10-31 22:07:41,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:41,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:41,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:41,154 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:41,154 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:41,155 INFO L745 eck$LassoCheckResult]: Stem: 1523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1511#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1512#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1513#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1520#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1521#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1522#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1498#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1499#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1529#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1528#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 1526#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1525#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1500#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 1501#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 1505#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1514#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 1532#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 1531#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1516#L521 [2024-10-31 22:07:41,155 INFO L747 eck$LassoCheckResult]: Loop: 1516#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 1517#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 1535#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 1516#L521 [2024-10-31 22:07:41,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1931521914, now seen corresponding path program 3 times [2024-10-31 22:07:41,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:41,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237073483] [2024-10-31 22:07:41,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:41,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,198 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 4 times [2024-10-31 22:07:41,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:41,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003165815] [2024-10-31 22:07:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:41,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2002535583, now seen corresponding path program 2 times [2024-10-31 22:07:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660313789] [2024-10-31 22:07:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:41,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:42,194 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:42,195 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:42,195 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:42,195 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:42,195 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:42,195 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:42,195 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:42,195 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:42,195 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration11_Lasso [2024-10-31 22:07:42,195 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:42,195 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:42,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:42,893 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:42,893 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:42,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:42,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:42,895 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:42,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:07:42,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:42,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:42,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:42,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:42,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:42,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:42,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:42,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:42,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:42,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:42,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:42,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:42,925 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:42,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:07:42,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:42,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:42,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:42,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:42,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:42,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:42,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:42,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:42,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:42,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:07:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:42,955 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:42,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:07:42,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:42,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:42,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:42,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:42,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:42,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:42,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:42,977 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:42,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:42,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:42,994 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:42,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:42,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:07:43,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:43,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,025 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:07:43,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,039 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-31 22:07:43,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,052 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:07:43,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 22:07:43,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,084 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:07:43,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 22:07:43,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,118 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:07:43,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,144 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:43,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,169 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:07:43,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:43,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:43,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:07:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,213 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:07:43,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:43,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,244 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 22:07:43,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 22:07:43,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,272 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 22:07:43,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 22:07:43,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,300 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 22:07:43,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:43,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,337 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 22:07:43,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:43,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:43,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-31 22:07:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,385 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 22:07:43,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-31 22:07:43,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,430 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 22:07:43,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:43,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:43,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:43,448 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:43,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,462 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 22:07:43,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:43,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:43,484 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:43,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 22:07:43,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,497 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 22:07:43,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:43,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:43,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:43,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:43,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:43,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:43,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:43,531 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:43,549 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 22:07:43,549 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-10-31 22:07:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:43,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:43,551 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 22:07:43,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:43,566 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:07:43,566 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:43,566 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_5, ULTIMATE.start_SelectionSort_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_5 - 4*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2024-10-31 22:07:43,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-31 22:07:43,606 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 22:07:43,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:07:43,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:07:43,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:43,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:43,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:43,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:07:43,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:43,867 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 22:07:43,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:43,934 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 68 transitions. Complement of second has 6 states. [2024-10-31 22:07:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-10-31 22:07:43,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 19 letters. Loop has 3 letters. [2024-10-31 22:07:43,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:43,936 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:07:43,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:44,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:44,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:44,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:07:44,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:44,212 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 22:07:44,212 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:44,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:44,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 68 transitions. Complement of second has 6 states. [2024-10-31 22:07:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2024-10-31 22:07:44,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 19 letters. Loop has 3 letters. [2024-10-31 22:07:44,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:44,270 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:07:44,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:44,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:44,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:44,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:07:44,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:44,513 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 22:07:44,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22 Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:44,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 62 transitions. cyclomatic complexity: 22. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 107 transitions. Complement of second has 14 states. [2024-10-31 22:07:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 22:07:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 42 transitions. [2024-10-31 22:07:44,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 19 letters. Loop has 3 letters. [2024-10-31 22:07:44,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:44,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 22 letters. Loop has 3 letters. [2024-10-31 22:07:44,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:44,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 42 transitions. Stem has 19 letters. Loop has 6 letters. [2024-10-31 22:07:44,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:44,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 107 transitions. [2024-10-31 22:07:44,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:44,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 73 states and 95 transitions. [2024-10-31 22:07:44,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:07:44,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:07:44,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 95 transitions. [2024-10-31 22:07:44,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:44,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 95 transitions. [2024-10-31 22:07:44,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 95 transitions. [2024-10-31 22:07:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 52. [2024-10-31 22:07:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 51 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2024-10-31 22:07:44,734 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-10-31 22:07:44,734 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 70 transitions. [2024-10-31 22:07:44,734 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 22:07:44,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 70 transitions. [2024-10-31 22:07:44,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:44,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:44,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:44,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:44,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:44,740 INFO L745 eck$LassoCheckResult]: Stem: 2063#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2051#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2052#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2053#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2060#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2061#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2062#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2038#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2039#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2068#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2067#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2066#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2065#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2040#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 2041#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2042#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2086#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2084#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2080#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 2064#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 2047#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 2044#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2046#L519-3 [2024-10-31 22:07:44,740 INFO L747 eck$LassoCheckResult]: Loop: 2046#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2071#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2048#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2046#L519-3 [2024-10-31 22:07:44,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:44,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2002481945, now seen corresponding path program 3 times [2024-10-31 22:07:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:44,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315556080] [2024-10-31 22:07:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:44,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:07:44,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:44,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315556080] [2024-10-31 22:07:44,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315556080] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:44,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077185540] [2024-10-31 22:07:44,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:07:44,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:44,851 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:44,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-10-31 22:07:44,950 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-31 22:07:44,950 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:07:44,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:07:44,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:07:44,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:07:45,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077185540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:45,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:45,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-10-31 22:07:45,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389157520] [2024-10-31 22:07:45,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:45,005 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:07:45,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2024-10-31 22:07:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647918786] [2024-10-31 22:07:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:45,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:45,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:45,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:45,107 INFO L87 Difference]: Start difference. First operand 52 states and 70 transitions. cyclomatic complexity: 26 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:45,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:45,148 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2024-10-31 22:07:45,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 110 transitions. [2024-10-31 22:07:45,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:45,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 79 states and 103 transitions. [2024-10-31 22:07:45,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-31 22:07:45,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 22:07:45,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 103 transitions. [2024-10-31 22:07:45,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:45,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 103 transitions. [2024-10-31 22:07:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 103 transitions. [2024-10-31 22:07:45,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 56. [2024-10-31 22:07:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 55 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2024-10-31 22:07:45,155 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 74 transitions. [2024-10-31 22:07:45,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:45,162 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 74 transitions. [2024-10-31 22:07:45,162 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-31 22:07:45,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 74 transitions. [2024-10-31 22:07:45,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:45,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:45,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:45,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:45,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:45,164 INFO L745 eck$LassoCheckResult]: Stem: 2335#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2323#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2324#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2332#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2333#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2334#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2309#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2310#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2341#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2340#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2338#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2337#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2311#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 2312#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2314#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2325#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 2347#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2348#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2344#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2345#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2343#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2327#L521 [2024-10-31 22:07:45,164 INFO L747 eck$LassoCheckResult]: Loop: 2327#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 2328#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2346#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2327#L521 [2024-10-31 22:07:45,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:45,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2059791963, now seen corresponding path program 3 times [2024-10-31 22:07:45,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:45,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913335809] [2024-10-31 22:07:45,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:45,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:45,208 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 5 times [2024-10-31 22:07:45,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:45,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641699130] [2024-10-31 22:07:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:45,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:45,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:45,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:45,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1064655530, now seen corresponding path program 4 times [2024-10-31 22:07:45,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055015182] [2024-10-31 22:07:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:45,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:45,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:45,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055015182] [2024-10-31 22:07:45,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055015182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:45,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833715055] [2024-10-31 22:07:45,451 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:07:45,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:45,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:45,452 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:45,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-10-31 22:07:45,544 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:07:45,544 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:07:45,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 22:07:45,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:45,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:45,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833715055] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:45,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:45,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2024-10-31 22:07:45,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603749092] [2024-10-31 22:07:45,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:45,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:45,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-31 22:07:45,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-10-31 22:07:45,913 INFO L87 Difference]: Start difference. First operand 56 states and 74 transitions. cyclomatic complexity: 26 Second operand has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 20 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:46,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:46,228 INFO L93 Difference]: Finished difference Result 135 states and 170 transitions. [2024-10-31 22:07:46,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135 states and 170 transitions. [2024-10-31 22:07:46,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:46,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135 states to 59 states and 77 transitions. [2024-10-31 22:07:46,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:07:46,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:07:46,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 77 transitions. [2024-10-31 22:07:46,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:46,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 77 transitions. [2024-10-31 22:07:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 77 transitions. [2024-10-31 22:07:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-10-31 22:07:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 57 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 76 transitions. [2024-10-31 22:07:46,242 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 76 transitions. [2024-10-31 22:07:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-31 22:07:46,243 INFO L425 stractBuchiCegarLoop]: Abstraction has 58 states and 76 transitions. [2024-10-31 22:07:46,244 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-31 22:07:46,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 76 transitions. [2024-10-31 22:07:46,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:46,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:46,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:46,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:46,248 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:46,249 INFO L745 eck$LassoCheckResult]: Stem: 2711#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2698#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2699#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2700#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2708#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2709#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2710#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2685#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2686#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2719#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2718#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2717#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2716#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2714#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2713#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2687#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 2688#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2692#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2701#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 2724#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2725#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2721#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2723#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2720#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2704#L521 [2024-10-31 22:07:46,249 INFO L747 eck$LassoCheckResult]: Loop: 2704#L521 assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1; 2705#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2726#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2704#L521 [2024-10-31 22:07:46,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1677252285, now seen corresponding path program 5 times [2024-10-31 22:07:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:46,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276646684] [2024-10-31 22:07:46,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:46,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:46,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:46,340 INFO L85 PathProgramCache]: Analyzing trace with hash 73540, now seen corresponding path program 6 times [2024-10-31 22:07:46,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:46,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764874668] [2024-10-31 22:07:46,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash -626655480, now seen corresponding path program 6 times [2024-10-31 22:07:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:46,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369830533] [2024-10-31 22:07:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:46,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:46,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:48,196 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:48,197 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:48,197 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:48,197 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:48,197 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:48,197 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:48,197 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:48,197 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:48,197 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration14_Lasso [2024-10-31 22:07:48,197 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:48,197 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:48,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:48,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:49,062 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:49,062 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:49,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,068 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 22:07:49,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,114 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 22:07:49,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,142 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,177 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 22:07:49,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,212 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 22:07:49,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,229 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-10-31 22:07:49,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,244 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 22:07:49,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:49,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:49,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-31 22:07:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,280 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 22:07:49,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,314 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 22:07:49,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 22:07:49,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,353 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 22:07:49,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:49,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:49,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,388 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 22:07:49,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-31 22:07:49,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,424 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 22:07:49,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-10-31 22:07:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,455 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-31 22:07:49,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,471 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-10-31 22:07:49,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,486 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-31 22:07:49,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:49,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:49,508 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:49,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,523 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-31 22:07:49,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:07:49,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:07:49,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:07:49,539 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-10-31 22:07:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,554 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-31 22:07:49,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:49,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:49,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:49,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-10-31 22:07:49,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,591 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-31 22:07:49,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:49,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:49,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:49,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:49,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:49,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:49,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:49,627 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:49,675 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2024-10-31 22:07:49,675 INFO L444 ModelExtractionUtils]: 0 out of 22 variables were initially zero. Simplification set additionally 19 variables to zero. [2024-10-31 22:07:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:49,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:49,678 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:49,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-31 22:07:49,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:49,698 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:07:49,698 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:49,698 INFO L476 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 [] [2024-10-31 22:07:49,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-10-31 22:07:49,738 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 22:07:49,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:49,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:07:49,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:49,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:07:49,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:49,839 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 [2024-10-31 22:07:49,839 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 76 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:49,864 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 76 transitions. cyclomatic complexity: 26. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 100 transitions. Complement of second has 7 states. [2024-10-31 22:07:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:07:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-31 22:07:49,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 24 letters. Loop has 3 letters. [2024-10-31 22:07:49,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:49,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 27 letters. Loop has 3 letters. [2024-10-31 22:07:49,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:49,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 24 letters. Loop has 6 letters. [2024-10-31 22:07:49,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:49,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 100 transitions. [2024-10-31 22:07:49,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:07:49,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 52 states and 66 transitions. [2024-10-31 22:07:49,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:07:49,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:07:49,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 66 transitions. [2024-10-31 22:07:49,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:49,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 66 transitions. [2024-10-31 22:07:49,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 66 transitions. [2024-10-31 22:07:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 43. [2024-10-31 22:07:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions. [2024-10-31 22:07:49,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 55 transitions. [2024-10-31 22:07:49,879 INFO L425 stractBuchiCegarLoop]: Abstraction has 43 states and 55 transitions. [2024-10-31 22:07:49,879 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2024-10-31 22:07:49,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 55 transitions. [2024-10-31 22:07:49,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:07:49,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:49,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:49,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:49,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:49,881 INFO L745 eck$LassoCheckResult]: Stem: 2983#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2972#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2973#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2974#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2980#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2981#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2982#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2960#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2961#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2991#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2990#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2989#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2988#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 2986#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2985#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2962#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 2963#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2964#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2978#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2970#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2971#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2993#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2992#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2987#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 2984#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 2968#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 2965#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 2967#L519-3 [2024-10-31 22:07:49,881 INFO L747 eck$LassoCheckResult]: Loop: 2967#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 2975#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 2969#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 2967#L519-3 [2024-10-31 22:07:49,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:49,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1306767488, now seen corresponding path program 4 times [2024-10-31 22:07:49,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:49,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447109201] [2024-10-31 22:07:49,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:49,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:50,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:50,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447109201] [2024-10-31 22:07:50,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447109201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:50,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574789727] [2024-10-31 22:07:50,126 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:07:50,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:50,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:50,128 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:50,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-10-31 22:07:50,240 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:07:50,241 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:07:50,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:07:50,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:50,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:50,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574789727] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:50,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:50,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-10-31 22:07:50,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257850625] [2024-10-31 22:07:50,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:50,527 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:07:50,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:50,527 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2024-10-31 22:07:50,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:50,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474743712] [2024-10-31 22:07:50,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:50,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:50,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:50,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-31 22:07:50,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-10-31 22:07:50,614 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. cyclomatic complexity: 17 Second operand has 23 states, 23 states have (on average 2.347826086956522) internal successors, (54), 23 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:50,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:50,930 INFO L93 Difference]: Finished difference Result 95 states and 122 transitions. [2024-10-31 22:07:50,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 122 transitions. [2024-10-31 22:07:50,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:07:50,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 91 states and 116 transitions. [2024-10-31 22:07:50,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-10-31 22:07:50,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-31 22:07:50,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2024-10-31 22:07:50,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:07:50,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-10-31 22:07:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2024-10-31 22:07:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2024-10-31 22:07:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 64 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2024-10-31 22:07:50,937 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 83 transitions. [2024-10-31 22:07:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-31 22:07:50,938 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 83 transitions. [2024-10-31 22:07:50,938 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2024-10-31 22:07:50,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 83 transitions. [2024-10-31 22:07:50,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:07:50,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:07:50,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:07:50,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:50,940 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:07:50,940 INFO L745 eck$LassoCheckResult]: Stem: 3320#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 3313#L531 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 3314#L531-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 3318#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3300#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3301#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3319#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3329#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3328#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3327#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3326#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3325#L536-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 3324#L536-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3323#L536-3 assume !(main_~i~1#1 < main_~array_size~0#1); 3302#L536-4 havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#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; 3303#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 3304#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 3361#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 3359#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 3356#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 3353#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 3352#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 3349#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 3345#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 3336#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 3342#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 3334#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 3335#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 3330#L519-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 3331#L519-4 call SelectionSort_#t~mem5#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem5#1;call SelectionSort_#t~mem6#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int#0(SelectionSort_#t~mem6#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem6#1;call write~int#0(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);havoc SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1; 3308#L515-2 SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1; 3309#L515-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 3307#L519-3 [2024-10-31 22:07:50,940 INFO L747 eck$LassoCheckResult]: Loop: 3307#L519-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem2#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem3#1 := read~int#0(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 3315#L521 assume SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1;havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 3310#L519-2 SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1; 3307#L519-3 [2024-10-31 22:07:50,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash -182305376, now seen corresponding path program 5 times [2024-10-31 22:07:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:50,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380402429] [2024-10-31 22:07:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:50,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2024-10-31 22:07:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900125482] [2024-10-31 22:07:50,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:50,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:50,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2074211851, now seen corresponding path program 6 times [2024-10-31 22:07:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:50,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836312258] [2024-10-31 22:07:50,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:51,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:51,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:56,184 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:07:56,184 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:07:56,184 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:07:56,184 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:07:56,184 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:07:56,184 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:56,184 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:07:56,184 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:07:56,184 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration16_Lasso [2024-10-31 22:07:56,184 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:07:56,185 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:07:56,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:07:57,893 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:07:57,894 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:07:57,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:57,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:57,897 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:57,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-31 22:07:57,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:57,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:57,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:57,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:57,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:57,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:57,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:57,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:07:57,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-10-31 22:07:57,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:57,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:57,946 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:57,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-31 22:07:57,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:07:57,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:07:57,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:07:57,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:07:57,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:07:57,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:07:57,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:07:57,996 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:07:58,123 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2024-10-31 22:07:58,123 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-31 22:07:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:07:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:58,131 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:58,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-31 22:07:58,133 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:07:58,152 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:07:58,153 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:07:58,153 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~array_size#1, ULTIMATE.start_SelectionSort_~min~0#1) = 1*ULTIMATE.start_SelectionSort_~array_size#1 - 1*ULTIMATE.start_SelectionSort_~min~0#1 Supporting invariants [-1*ULTIMATE.start_SelectionSort_~min~0#1 + 1*ULTIMATE.start_SelectionSort_~j~0#1 - 1 >= 0] [2024-10-31 22:07:58,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ada3f003-7e06-41e9-af56-af98e07b0208/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-31 22:07:58,217 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-10-31 22:07:58,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:58,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:07:58,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:58,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:07:58,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:58,456 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:07:58,456 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:58,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 106 states and 131 transitions. Complement of second has 8 states. [2024-10-31 22:07:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2024-10-31 22:07:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:07:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-10-31 22:07:58,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 33 letters. Loop has 3 letters. [2024-10-31 22:07:58,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:07:58,545 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:07:58,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:58,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:07:58,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:58,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:07:58,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:58,712 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:07:58,712 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 83 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)