./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:32:06,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:32:06,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 23:32:06,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:32:06,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:32:06,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:32:06,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:32:06,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:32:06,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:32:06,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:32:06,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:32:06,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:32:06,652 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:32:06,652 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:32:06,653 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:32:06,653 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:32:06,653 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:32:06,653 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:32:06,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:32:06,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:32:06,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:32:06,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:32:06,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:32:06,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:06,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:32:06,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:32:06,656 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:32:06,656 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36df5364345a00481880384557a6da7ee9f3df41e2ea49d72bfaffe4fac7a5 [2024-11-27 23:32:06,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:32:06,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:32:06,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:32:06,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:32:06,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:32:06,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2024-11-27 23:32:09,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d7838832c/e836d5a23d794047a7ec626501028da3/FLAG394457a96 [2024-11-27 23:32:10,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:32:10,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/sv-benchmarks/c/array-memsafety/selectionsort-alloca-1.i [2024-11-27 23:32:10,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d7838832c/e836d5a23d794047a7ec626501028da3/FLAG394457a96 [2024-11-27 23:32:10,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/data/d7838832c/e836d5a23d794047a7ec626501028da3 [2024-11-27 23:32:10,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:32:10,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:32:10,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:10,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:32:10,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:32:10,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f60efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10, skipping insertion in model container [2024-11-27 23:32:10,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:10,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:10,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:10,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:10,691 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:10,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10 WrapperNode [2024-11-27 23:32:10,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:10,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:10,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:10,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:10,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,729 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-27 23:32:10,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:10,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:10,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:10,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:10,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,753 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]. [2024-11-27 23:32:10,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,762 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:10,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:10,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:10,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:10,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:10,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:10,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:10,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:32:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:32:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:32:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:32:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:10,971 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:10,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:11,157 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-27 23:32:11,157 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:11,170 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:11,171 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 23:32:11,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:11 BoogieIcfgContainer [2024-11-27 23:32:11,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:11,172 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:32:11,172 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:32:11,178 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:32:11,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:32:11,180 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:32:10" (1/3) ... [2024-11-27 23:32:11,181 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a101498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:32:11, skipping insertion in model container [2024-11-27 23:32:11,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:32:11,182 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (2/3) ... [2024-11-27 23:32:11,182 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a101498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:32:11, skipping insertion in model container [2024-11-27 23:32:11,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:32:11,183 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:11" (3/3) ... [2024-11-27 23:32:11,185 INFO L363 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-1.i [2024-11-27 23:32:11,251 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:32:11,251 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:32:11,251 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:32:11,252 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:32:11,252 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:32:11,252 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:32:11,252 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:32:11,253 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:32:11,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:11,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:32:11,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:11,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:11,289 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-27 23:32:11,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:32:11,290 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:32:11,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:11,292 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:32:11,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:11,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:11,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-27 23:32:11,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:32:11,302 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0;" [2024-11-27 23:32:11,302 INFO L749 eck$LassoCheckResult]: Loop: "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-27 23:32:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:11,313 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-11-27 23:32:11,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:11,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300253814] [2024-11-27 23:32:11,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:11,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:11,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1445, now seen corresponding path program 1 times [2024-11-27 23:32:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107094722] [2024-11-27 23:32:11,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,497 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:11,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:11,506 INFO L85 PathProgramCache]: Analyzing trace with hash 889568393, now seen corresponding path program 1 times [2024-11-27 23:32:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:11,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181730911] [2024-11-27 23:32:11,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,532 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:11,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:11,930 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:11,931 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:11,931 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:11,931 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:11,931 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:11,931 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:11,931 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:11,932 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:11,932 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration1_Lasso [2024-11-27 23:32:11,933 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:11,933 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:11,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:11,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:11,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:11,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:11,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:11,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:12,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:12,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:12,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:12,610 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:12,614 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:12,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 23:32:12,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:12,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:12,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:12,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 23:32:12,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,659 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 23:32:12,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:12,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:12,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:12,688 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 23:32:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 23:32:12,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:12,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:12,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:12,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,740 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 23:32:12,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:12,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:12,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:12,766 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 23:32:12,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 23:32:12,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:12,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:12,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:12,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 23:32:12,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:12,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:12,848 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:12,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 23:32:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,860 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 23:32:12,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:12,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:12,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:12,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:12,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:12,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:12,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:12,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:12,943 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-27 23:32:12,945 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-27 23:32:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:12,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:12,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 23:32:12,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:12,977 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:32:12,978 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:12,978 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 [] [2024-11-27 23:32:12,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:13,004 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-27 23:32:13,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:13,146 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 [2024-11-27 23:32:13,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:13,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 46 transitions. Complement of second has 6 states. [2024-11-27 23:32:13,203 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 [2024-11-27 23:32:13,210 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) [2024-11-27 23:32:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-27 23:32:13,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-27 23:32:13,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:13,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-27 23:32:13,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:13,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-27 23:32:13,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:13,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 46 transitions. [2024-11-27 23:32:13,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:32:13,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 15 states and 21 transitions. [2024-11-27 23:32:13,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-27 23:32:13,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:32:13,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-11-27 23:32:13,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:13,226 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-27 23:32:13,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-11-27 23:32:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-27 23:32:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2024-11-27 23:32:13,250 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-27 23:32:13,251 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-27 23:32:13,251 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:32:13,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2024-11-27 23:32:13,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:32:13,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:13,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:13,254 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-27 23:32:13,254 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:13,254 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0;" [2024-11-27 23:32:13,254 INFO L749 eck$LassoCheckResult]: Loop: "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;" "assume !true;" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" [2024-11-27 23:32:13,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash 889568459, now seen corresponding path program 1 times [2024-11-27 23:32:13,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:13,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505303449] [2024-11-27 23:32:13,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:13,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505303449] [2024-11-27 23:32:13,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505303449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633615955] [2024-11-27 23:32:13,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:13,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:13,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:13,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:32:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-27 23:32:13,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:13,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633615955] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:13,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:13,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-27 23:32:13,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325355576] [2024-11-27 23:32:13,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:13,536 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:32:13,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1820839, now seen corresponding path program 1 times [2024-11-27 23:32:13,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:13,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679756488] [2024-11-27 23:32:13,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:13,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679756488] [2024-11-27 23:32:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679756488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:13,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118640635] [2024-11-27 23:32:13,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:13,568 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:13,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 23:32:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:13,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118640635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:13,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:13,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-27 23:32:13,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152268584] [2024-11-27 23:32:13,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:13,617 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:32:13,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:13,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:32:13,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:13,620 INFO L87 Difference]: Start difference. First operand 15 states and 21 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) [2024-11-27 23:32:13,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:13,625 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-11-27 23:32:13,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2024-11-27 23:32:13,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:32:13,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2024-11-27 23:32:13,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-27 23:32:13,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-27 23:32:13,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-11-27 23:32:13,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:13,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-27 23:32:13,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-11-27 23:32:13,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-27 23:32:13,628 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) [2024-11-27 23:32:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-27 23:32:13,631 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-27 23:32:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:32:13,634 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-27 23:32:13,634 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:32:13,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-27 23:32:13,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:32:13,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:13,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:13,635 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-27 23:32:13,635 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:13,635 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0;" [2024-11-27 23:32:13,635 INFO L749 eck$LassoCheckResult]: Loop: "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;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" [2024-11-27 23:32:13,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash 889568459, now seen corresponding path program 2 times [2024-11-27 23:32:13,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:13,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185257827] [2024-11-27 23:32:13,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:13,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185257827] [2024-11-27 23:32:13,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185257827] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:13,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962262013] [2024-11-27 23:32:13,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:13,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:13,734 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:13,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 23:32:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:13,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962262013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:13,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:13,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-27 23:32:13,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064228401] [2024-11-27 23:32:13,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:13,839 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:32:13,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1820498, now seen corresponding path program 1 times [2024-11-27 23:32:13,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:13,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354574774] [2024-11-27 23:32:13,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354574774] [2024-11-27 23:32:13,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354574774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:13,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147649795] [2024-11-27 23:32:13,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:13,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:13,915 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:13,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 23:32:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:13,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:13,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147649795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:13,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 23:32:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819765140] [2024-11-27 23:32:13,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:13,998 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 23:32:13,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:13,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:32:13,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:13,998 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 1.0) internal successors, (4), 3 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) [2024-11-27 23:32:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:14,027 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2024-11-27 23:32:14,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2024-11-27 23:32:14,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:14,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2024-11-27 23:32:14,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-27 23:32:14,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-27 23:32:14,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-11-27 23:32:14,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:14,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:32:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-11-27 23:32:14,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-27 23:32:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-11-27 23:32:14,031 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:32:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:32:14,032 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-11-27 23:32:14,032 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 23:32:14,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-11-27 23:32:14,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:14,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:14,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:14,033 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-27 23:32:14,033 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:14,033 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~post11#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "havoc main_~i~1#1;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem2#1, SelectionSort_#t~mem3#1, SelectionSort_#t~pre4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~mem6#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_#t~pre7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0;" [2024-11-27 23:32:14,033 INFO L749 eck$LassoCheckResult]: Loop: "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" [2024-11-27 23:32:14,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash 889568459, now seen corresponding path program 3 times [2024-11-27 23:32:14,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:14,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012696806] [2024-11-27 23:32:14,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012696806] [2024-11-27 23:32:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012696806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162793015] [2024-11-27 23:32:14,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:14,115 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:14,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 23:32:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:14,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:14,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:14,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162793015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:14,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:14,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-27 23:32:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892963256] [2024-11-27 23:32:14,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:14,206 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:32:14,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1869983032, now seen corresponding path program 1 times [2024-11-27 23:32:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:14,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105195584] [2024-11-27 23:32:14,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:14,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:14,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:14,391 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:14,424 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2024-11-27 23:32:14,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2024-11-27 23:32:14,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:14,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2024-11-27 23:32:14,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-27 23:32:14,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-27 23:32:14,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2024-11-27 23:32:14,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:14,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-11-27 23:32:14,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2024-11-27 23:32:14,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-27 23:32:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-11-27 23:32:14,427 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-27 23:32:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:14,428 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-27 23:32:14,428 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 23:32:14,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2024-11-27 23:32:14,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:14,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:14,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:14,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:14,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:14,429 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" [2024-11-27 23:32:14,430 INFO L749 eck$LassoCheckResult]: Loop: "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" [2024-11-27 23:32:14,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash 176734319, now seen corresponding path program 1 times [2024-11-27 23:32:14,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:14,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051319660] [2024-11-27 23:32:14,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,458 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:14,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1869983032, now seen corresponding path program 2 times [2024-11-27 23:32:14,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:14,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438637541] [2024-11-27 23:32:14,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,486 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:14,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:14,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2057707430, now seen corresponding path program 1 times [2024-11-27 23:32:14,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:14,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550867187] [2024-11-27 23:32:14,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550867187] [2024-11-27 23:32:14,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550867187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417978669] [2024-11-27 23:32:14,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:14,694 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:14,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 23:32:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:32:14,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:14,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:14,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417978669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:14,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:14,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-27 23:32:14,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475949390] [2024-11-27 23:32:14,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:15,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:15,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:32:15,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:32:15,029 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:15,120 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-11-27 23:32:15,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2024-11-27 23:32:15,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:15,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 22 transitions. [2024-11-27 23:32:15,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-27 23:32:15,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-27 23:32:15,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2024-11-27 23:32:15,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:15,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-27 23:32:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2024-11-27 23:32:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-27 23:32:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-11-27 23:32:15,126 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-27 23:32:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:32:15,128 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-27 23:32:15,128 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 23:32:15,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2024-11-27 23:32:15,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:15,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:15,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:15,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:15,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:15,129 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" [2024-11-27 23:32:15,130 INFO L749 eck$LassoCheckResult]: Loop: "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" [2024-11-27 23:32:15,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:15,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1957074157, now seen corresponding path program 2 times [2024-11-27 23:32:15,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:15,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638938967] [2024-11-27 23:32:15,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:15,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,160 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:15,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:15,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1869983032, now seen corresponding path program 3 times [2024-11-27 23:32:15,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:15,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079205267] [2024-11-27 23:32:15,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,200 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:15,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:15,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1727797686, now seen corresponding path program 2 times [2024-11-27 23:32:15,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:15,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760668865] [2024-11-27 23:32:15,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:15,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:15,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:15,726 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:15,726 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:15,726 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:15,726 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:15,726 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:15,727 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:15,727 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:15,727 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:15,727 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration6_Lasso [2024-11-27 23:32:15,727 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:15,727 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:15,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:15,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:16,407 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:16,408 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:16,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,412 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 23:32:16,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,444 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 23:32:16,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 23:32:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,482 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 23:32:16,487 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 [2024-11-27 23:32:16,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,505 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 23:32:16,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,520 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,524 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 [2024-11-27 23:32:16,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 23:32:16,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,544 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 23:32:16,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,555 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 23:32:16,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,585 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 23:32:16,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:16,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:16,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,621 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 23:32:16,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-27 23:32:16,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,656 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 23:32:16,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,677 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 23:32:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,688 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 23:32:16,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,724 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 23:32:16,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,752 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 23:32:16,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 23:32:16,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,782 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 23:32:16,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:16,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:16,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:16,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-27 23:32:16,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,812 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 23:32:16,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:16,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:16,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-27 23:32:16,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,850 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 23:32:16,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:16,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:16,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:16,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:16,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:16,894 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:16,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 23:32:16,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:16,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:16,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:16,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:16,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:16,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:16,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:16,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:16,997 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-11-27 23:32:16,997 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-27 23:32:16,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:16,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:17,000 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:17,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-27 23:32:17,004 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:17,022 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-27 23:32:17,022 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:17,022 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~i~0#1) = -2*ULTIMATE.start_SelectionSort_~i~0#1 + 1 Supporting invariants [-1*ULTIMATE.start_SelectionSort_~array_size#1 + 2 >= 0] [2024-11-27 23:32:17,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:17,047 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2024-11-27 23:32:17,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:17,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:32:17,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:17,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:32:17,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 23:32:17,295 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 [2024-11-27 23:32:17,296 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:17,423 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 49 transitions. Complement of second has 10 states. [2024-11-27 23:32:17,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2024-11-27 23:32:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 25 transitions. [2024-11-27 23:32:17,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-27 23:32:17,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:17,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-27 23:32:17,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:17,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 25 transitions. Stem has 10 letters. Loop has 16 letters. [2024-11-27 23:32:17,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:17,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2024-11-27 23:32:17,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-27 23:32:17,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 39 states and 48 transitions. [2024-11-27 23:32:17,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-27 23:32:17,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-11-27 23:32:17,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2024-11-27 23:32:17,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:17,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-27 23:32:17,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2024-11-27 23:32:17,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2024-11-27 23:32:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2024-11-27 23:32:17,434 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-11-27 23:32:17,434 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-11-27 23:32:17,434 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-27 23:32:17,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 44 transitions. [2024-11-27 23:32:17,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-27 23:32:17,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:17,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:17,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:17,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:17,436 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" [2024-11-27 23:32:17,436 INFO L749 eck$LassoCheckResult]: Loop: "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" [2024-11-27 23:32:17,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash 447411703, now seen corresponding path program 1 times [2024-11-27 23:32:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:17,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721710132] [2024-11-27 23:32:17,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,451 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:17,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2128231, now seen corresponding path program 1 times [2024-11-27 23:32:17,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:17,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480645523] [2024-11-27 23:32:17,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:17,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1070826589, now seen corresponding path program 1 times [2024-11-27 23:32:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559273845] [2024-11-27 23:32:17,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:17,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:17,972 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:17,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:17,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:17,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:17,972 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:17,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:17,972 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:17,972 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:17,973 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration7_Lasso [2024-11-27 23:32:17,973 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:17,973 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:17,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:17,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:18,620 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:18,620 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:18,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,626 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-27 23:32:18,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:18,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:18,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:18,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,662 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-27 23:32:18,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,685 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,697 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-27 23:32:18,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,718 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-27 23:32:18,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,729 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 23:32:18,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,753 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-27 23:32:18,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,764 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 23:32:18,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,789 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:18,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,801 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 23:32:18,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,825 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-27 23:32:18,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,836 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 23:32:18,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:18,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:18,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:18,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:18,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:18,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,875 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 23:32:18,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:18,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:18,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:18,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:18,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:18,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:18,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:18,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:18,959 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2024-11-27 23:32:18,959 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-27 23:32:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:18,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:18,962 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 23:32:18,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:18,977 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:32:18,978 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:18,978 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~j~0#1, v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2) = -4*ULTIMATE.start_SelectionSort_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2 Supporting invariants [] [2024-11-27 23:32:18,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-27 23:32:19,009 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-27 23:32:19,011 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:32:19,012 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:32:19,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:19,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:32:19,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:19,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:32:19,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:19,147 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-27 23:32:19,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 44 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:19,200 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 44 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 81 transitions. Complement of second has 8 states. [2024-11-27 23:32:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 23:32:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-11-27 23:32:19,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-27 23:32:19,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:19,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-27 23:32:19,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:19,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-27 23:32:19,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:19,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 81 transitions. [2024-11-27 23:32:19,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-27 23:32:19,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 61 states and 78 transitions. [2024-11-27 23:32:19,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2024-11-27 23:32:19,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-11-27 23:32:19,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 78 transitions. [2024-11-27 23:32:19,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:19,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 78 transitions. [2024-11-27 23:32:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 78 transitions. [2024-11-27 23:32:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2024-11-27 23:32:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 59 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2024-11-27 23:32:19,217 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 77 transitions. [2024-11-27 23:32:19,217 INFO L425 stractBuchiCegarLoop]: Abstraction has 60 states and 77 transitions. [2024-11-27 23:32:19,217 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-27 23:32:19,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 77 transitions. [2024-11-27 23:32:19,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-27 23:32:19,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:19,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:19,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:19,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:19,221 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" "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);" "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;" [2024-11-27 23:32:19,221 INFO L749 eck$LassoCheckResult]: Loop: "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" [2024-11-27 23:32:19,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1558563443, now seen corresponding path program 1 times [2024-11-27 23:32:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279326615] [2024-11-27 23:32:19,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:19,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2451931, now seen corresponding path program 2 times [2024-11-27 23:32:19,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855298081] [2024-11-27 23:32:19,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,262 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:19,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2023969971, now seen corresponding path program 1 times [2024-11-27 23:32:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:19,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828720201] [2024-11-27 23:32:19,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:19,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 23:32:19,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:19,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828720201] [2024-11-27 23:32:19,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828720201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143421073] [2024-11-27 23:32:19,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:19,514 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:19,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-27 23:32:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:19,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:32:19,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:19,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:19,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143421073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:19,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:19,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-11-27 23:32:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179604777] [2024-11-27 23:32:19,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:19,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:19,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:32:19,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:32:19,808 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. cyclomatic complexity: 24 Second operand has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:19,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:19,927 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2024-11-27 23:32:19,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2024-11-27 23:32:19,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:19,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 30 states and 36 transitions. [2024-11-27 23:32:19,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-27 23:32:19,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-27 23:32:19,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2024-11-27 23:32:19,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:19,929 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-27 23:32:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2024-11-27 23:32:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-27 23:32:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-11-27 23:32:19,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-27 23:32:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:32:19,935 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-27 23:32:19,935 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-27 23:32:19,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. [2024-11-27 23:32:19,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-27 23:32:19,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:19,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:19,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:19,936 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:19,936 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" "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);" "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;" [2024-11-27 23:32:19,936 INFO L749 eck$LassoCheckResult]: Loop: "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" [2024-11-27 23:32:19,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1713545039, now seen corresponding path program 2 times [2024-11-27 23:32:19,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:19,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548696164] [2024-11-27 23:32:19,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,970 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:19,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:19,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2451931, now seen corresponding path program 3 times [2024-11-27 23:32:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661748850] [2024-11-27 23:32:20,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:20,008 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:20,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:20,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:20,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1244377641, now seen corresponding path program 2 times [2024-11-27 23:32:20,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:20,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179701364] [2024-11-27 23:32:20,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:20,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:20,046 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:20,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:20,660 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:20,660 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:20,660 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:20,660 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:20,660 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:20,660 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:20,660 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:20,660 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:20,660 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration9_Lasso [2024-11-27 23:32:20,660 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:20,660 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:20,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:20,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:21,295 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:21,295 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:21,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,299 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-27 23:32:21,302 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 [2024-11-27 23:32:21,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:21,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:21,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:21,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-27 23:32:21,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,323 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-27 23:32:21,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:21,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:21,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:21,343 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-27 23:32:21,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,352 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-27 23:32:21,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:21,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:21,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:21,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-27 23:32:21,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,375 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-27 23:32:21,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:21,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:21,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:21,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-27 23:32:21,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,400 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-27 23:32:21,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:21,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:21,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-27 23:32:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,434 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-27 23:32:21,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:21,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:21,455 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-27 23:32:21,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,464 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-27 23:32:21,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:21,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:21,497 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-27 23:32:21,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,509 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-27 23:32:21,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:21,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:21,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:21,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:21,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,545 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-27 23:32:21,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:21,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:21,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:21,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:21,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:21,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:21,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:21,585 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:21,614 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-27 23:32:21,614 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-11-27 23:32:21,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:21,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,616 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-27 23:32:21,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:21,630 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:32:21,630 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:21,630 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 [] [2024-11-27 23:32:21,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:21,654 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 23:32:21,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:21,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:21,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:21,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:21,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:21,762 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-27 23:32:21,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9 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) [2024-11-27 23:32:21,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 9. 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 46 states and 58 transitions. Complement of second has 7 states. [2024-11-27 23:32:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-27 23:32:21,790 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) [2024-11-27 23:32:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-27 23:32:21,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 17 letters. Loop has 4 letters. [2024-11-27 23:32:21,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:21,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 21 letters. Loop has 4 letters. [2024-11-27 23:32:21,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:21,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 17 letters. Loop has 8 letters. [2024-11-27 23:32:21,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:21,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2024-11-27 23:32:21,793 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-11-27 23:32:21,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 58 transitions. [2024-11-27 23:32:21,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-27 23:32:21,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-27 23:32:21,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2024-11-27 23:32:21,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:21,794 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 58 transitions. [2024-11-27 23:32:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2024-11-27 23:32:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-11-27 23:32:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 44 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2024-11-27 23:32:21,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 57 transitions. [2024-11-27 23:32:21,797 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 57 transitions. [2024-11-27 23:32:21,797 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-27 23:32:21,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 57 transitions. [2024-11-27 23:32:21,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-11-27 23:32:21,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:21,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:21,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:21,799 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:21,799 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" [2024-11-27 23:32:21,799 INFO L749 eck$LassoCheckResult]: Loop: "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" [2024-11-27 23:32:21,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1744311624, now seen corresponding path program 1 times [2024-11-27 23:32:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:21,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214041125] [2024-11-27 23:32:21,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:21,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:32:21,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214041125] [2024-11-27 23:32:21,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214041125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:21,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108333727] [2024-11-27 23:32:21,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:21,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:21,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:21,969 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:21,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-27 23:32:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:22,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:32:22,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:22,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:22,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108333727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:22,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:22,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-27 23:32:22,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846187588] [2024-11-27 23:32:22,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:22,203 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:32:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1235065878, now seen corresponding path program 4 times [2024-11-27 23:32:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527821799] [2024-11-27 23:32:22,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:22,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:32:22,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:32:22,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:32:22,456 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. cyclomatic complexity: 17 Second operand has 14 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:22,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:22,632 INFO L93 Difference]: Finished difference Result 75 states and 96 transitions. [2024-11-27 23:32:22,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 96 transitions. [2024-11-27 23:32:22,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-11-27 23:32:22,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 74 states and 95 transitions. [2024-11-27 23:32:22,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-11-27 23:32:22,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-11-27 23:32:22,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 95 transitions. [2024-11-27 23:32:22,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:22,637 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-11-27 23:32:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 95 transitions. [2024-11-27 23:32:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 52. [2024-11-27 23:32:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.25) internal successors, (65), 51 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-11-27 23:32:22,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-11-27 23:32:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:32:22,645 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-11-27 23:32:22,645 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-27 23:32:22,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 65 transitions. [2024-11-27 23:32:22,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-11-27 23:32:22,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:22,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:22,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:22,646 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:22,647 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" [2024-11-27 23:32:22,647 INFO L749 eck$LassoCheckResult]: Loop: "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" [2024-11-27 23:32:22,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash -673953630, now seen corresponding path program 2 times [2024-11-27 23:32:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654285495] [2024-11-27 23:32:22,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:22,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1235065878, now seen corresponding path program 5 times [2024-11-27 23:32:22,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591549256] [2024-11-27 23:32:22,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,690 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:22,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,696 INFO L85 PathProgramCache]: Analyzing trace with hash -126321781, now seen corresponding path program 3 times [2024-11-27 23:32:22,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:22,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867488996] [2024-11-27 23:32:22,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,713 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:22,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:23,788 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:23,788 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:23,788 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:23,788 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:23,788 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:23,788 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:23,788 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:23,789 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:23,789 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration11_Lasso [2024-11-27 23:32:23,789 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:23,789 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:23,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:23,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:24,752 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:24,752 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,755 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-27 23:32:24,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,779 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-27 23:32:24,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,802 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-27 23:32:24,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,830 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-27 23:32:24,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,865 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-27 23:32:24,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:24,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:24,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-27 23:32:24,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,891 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-27 23:32:24,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,906 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,917 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-27 23:32:24,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:24,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,948 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-27 23:32:24,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,963 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-27 23:32:24,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,972 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-27 23:32:24,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:24,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:24,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:24,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:24,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:24,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:24,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:24,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:24,990 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:24,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-27 23:32:24,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:24,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:24,997 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:24,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-27 23:32:24,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:25,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:25,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:25,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:25,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:25,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:25,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:25,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:25,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:25,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:25,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:25,023 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:25,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-27 23:32:25,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:25,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:25,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:25,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:25,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:25,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:25,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:25,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:25,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:25,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-27 23:32:25,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:25,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:25,046 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:25,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-27 23:32:25,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:25,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:25,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:25,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:25,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:25,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:25,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:25,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:25,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:25,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-27 23:32:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:25,069 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:25,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-27 23:32:25,071 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 [2024-11-27 23:32:25,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:25,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:25,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:25,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:25,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:25,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:25,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:25,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-27 23:32:25,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:25,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:25,095 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:25,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-27 23:32:25,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:25,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:25,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:25,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:25,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:25,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:25,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:25,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:25,170 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-27 23:32:25,170 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2024-11-27 23:32:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:25,173 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:25,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-27 23:32:25,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:25,194 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:32:25,194 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:25,194 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_4, ULTIMATE.start_SelectionSort_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_4 - 4*ULTIMATE.start_SelectionSort_~i~0#1 Supporting invariants [] [2024-11-27 23:32:25,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-11-27 23:32:25,241 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2024-11-27 23:32:25,243 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:32:25,243 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:32:25,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:25,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:32:25,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:25,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-27 23:32:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:25,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:32:25,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:25,523 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2024-11-27 23:32:25,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 65 transitions. cyclomatic complexity: 18 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:25,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 65 transitions. cyclomatic complexity: 18. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 109 transitions. Complement of second has 6 states. [2024-11-27 23:32:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:32:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2024-11-27 23:32:25,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 23 letters. Loop has 8 letters. [2024-11-27 23:32:25,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:25,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 31 letters. Loop has 8 letters. [2024-11-27 23:32:25,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:25,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 23 letters. Loop has 16 letters. [2024-11-27 23:32:25,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:25,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 109 transitions. [2024-11-27 23:32:25,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:32:25,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 74 states and 94 transitions. [2024-11-27 23:32:25,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-27 23:32:25,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-27 23:32:25,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 94 transitions. [2024-11-27 23:32:25,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 23:32:25,577 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 94 transitions. [2024-11-27 23:32:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 94 transitions. [2024-11-27 23:32:25,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2024-11-27 23:32:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 71 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-11-27 23:32:25,581 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-11-27 23:32:25,581 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-11-27 23:32:25,581 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-27 23:32:25,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 92 transitions. [2024-11-27 23:32:25,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-27 23:32:25,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:32:25,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:32:25,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:25,582 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:32:25,583 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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;" "assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911);" "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;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "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;main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~i~1#1 < main_~array_size~0#1);" "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;" "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;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" "assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);" "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;SelectionSort_#t~pre7#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre7#1;" "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;" [2024-11-27 23:32:25,583 INFO L749 eck$LassoCheckResult]: Loop: "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);" "assume !(SelectionSort_#t~mem2#1 < SelectionSort_#t~mem3#1);havoc SelectionSort_#t~mem2#1;havoc SelectionSort_#t~mem3#1;" "SelectionSort_#t~pre4#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre4#1;" [2024-11-27 23:32:25,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1219570296, now seen corresponding path program 4 times [2024-11-27 23:32:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266209164] [2024-11-27 23:32:25,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:25,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,612 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2128231, now seen corresponding path program 4 times [2024-11-27 23:32:25,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:25,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448107397] [2024-11-27 23:32:25,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,649 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:25,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:25,655 INFO L85 PathProgramCache]: Analyzing trace with hash -558264226, now seen corresponding path program 5 times [2024-11-27 23:32:25,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:32:25,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391989731] [2024-11-27 23:32:25,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:25,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,684 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:25,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:32:26,568 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:32:26,568 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:32:26,568 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:32:26,568 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:32:26,568 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:32:26,568 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:26,568 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:32:26,568 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:32:26,568 INFO L132 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-1.i_Iteration12_Lasso [2024-11-27 23:32:26,568 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:32:26,568 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:32:26,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:32:26,992 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:32:26,993 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:32:26,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:26,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:26,996 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:26,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-27 23:32:26,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-27 23:32:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,020 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-27 23:32:27,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:27,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,044 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-27 23:32:27,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-27 23:32:27,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,067 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-27 23:32:27,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:27,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:27,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-27 23:32:27,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,093 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-27 23:32:27,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-27 23:32:27,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,117 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-27 23:32:27,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-27 23:32:27,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,141 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-27 23:32:27,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:32:27,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:32:27,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:32:27,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:27,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,164 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-27 23:32:27,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:27,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:27,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:27,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,192 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-27 23:32:27,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:27,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:27,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:32:27,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:27,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,220 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-27 23:32:27,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:32:27,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:32:27,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:32:27,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:32:27,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:32:27,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:32:27,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:32:27,251 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:32:27,266 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-27 23:32:27,266 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 23:32:27,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:32:27,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:27,268 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:27,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-27 23:32:27,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:32:27,282 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:32:27,282 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:32:27,282 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 [] [2024-11-27 23:32:27,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-27 23:32:27,305 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 23:32:27,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:27,413 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 [2024-11-27 23:32:27,413 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 113 transitions. Complement of second has 5 states. [2024-11-27 23:32:27,441 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 [2024-11-27 23:32:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-27 23:32:27,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 23:32:27,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:27,442 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:32:27,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:27,535 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 23:32:27,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,555 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 113 transitions. Complement of second has 5 states. [2024-11-27 23:32:27,555 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 [2024-11-27 23:32:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-27 23:32:27,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 23:32:27,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:27,556 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 23:32:27,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:27,648 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 23:32:27,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 92 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 109 states and 141 transitions. Complement of second has 4 states. [2024-11-27 23:32:27,671 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 [2024-11-27 23:32:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2024-11-27 23:32:27,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 23:32:27,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:27,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 30 letters. Loop has 4 letters. [2024-11-27 23:32:27,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:27,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 26 letters. Loop has 8 letters. [2024-11-27 23:32:27,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:32:27,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 141 transitions. [2024-11-27 23:32:27,674 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:32:27,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 0 states and 0 transitions. [2024-11-27 23:32:27,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 23:32:27,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 23:32:27,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 23:32:27,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:32:27,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:32:27,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:32:27,674 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:32:27,675 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-11-27 23:32:27,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:32:27,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:32:27,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 23:32:27,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 11:32:27 BoogieIcfgContainer [2024-11-27 23:32:27,685 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 23:32:27,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:32:27,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:32:27,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:32:27,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:11" (3/4) ... [2024-11-27 23:32:27,688 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:32:27,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:32:27,690 INFO L158 Benchmark]: Toolchain (without parser) took 17396.94ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 117.7MB in the beginning and 164.4MB in the end (delta: -46.7MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. [2024-11-27 23:32:27,690 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:27,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.82ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:32:27,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.39ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:27,691 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:27,692 INFO L158 Benchmark]: RCFGBuilder took 392.23ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 86.2MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:32:27,692 INFO L158 Benchmark]: BuchiAutomizer took 16513.10ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 86.2MB in the beginning and 164.5MB in the end (delta: -78.3MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2024-11-27 23:32:27,692 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 411.0MB. Free memory was 164.5MB in the beginning and 164.4MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:27,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.82ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.39ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.23ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 86.2MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 16513.10ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 86.2MB in the beginning and 164.5MB in the end (delta: -78.3MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 411.0MB. Free memory was 164.5MB in the beginning and 164.4MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (6 trivial, 5 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (array_size + ((long long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 1) and consists of 8 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (array_size + ((long long) -1 * j)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function (array_size + ((long long) -1 * j)) and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.4s and 13 iterations. TraceHistogramMax:3. Analysis of lassos took 14.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 33 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 370 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 163 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU2 SILI2 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf100 lsp89 ukn71 mio100 lsp56 div159 bol100 ite100 ukn100 eq150 hnf93 smp74 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 23:32:27,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:27,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-27 23:32:28,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-27 23:32:28,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:28,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 23:32:28,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:28,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:29,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:29,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 23:32:29,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7653624d-c486-4151-b044-2a99835fb6e2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE