./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec853311f8b6ef97341e01f0f96194e2f46c161d2727bd3a328a96a4ccf3856f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:12,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:12,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:42:12,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:12,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:12,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:12,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:12,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:12,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:12,508 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:12,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:12,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:12,511 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:12,513 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:42:12,514 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:42:12,514 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:42:12,515 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:42:12,515 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:42:12,516 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:42:12,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:12,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:42:12,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:12,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:12,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:42:12,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:42:12,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:42:12,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:42:12,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:12,529 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:42:12,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:12,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:12,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:12,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:12,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:12,531 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:42:12,532 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec853311f8b6ef97341e01f0f96194e2f46c161d2727bd3a328a96a4ccf3856f [2023-11-26 10:42:12,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:12,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:12,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:12,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:12,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:12,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2023-11-26 10:42:16,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:16,489 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:16,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2023-11-26 10:42:16,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/data/d511a727e/ebb5caf4a5564ea5bd5ddee2c9754ab6/FLAG3f5e7b0f8 [2023-11-26 10:42:16,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/data/d511a727e/ebb5caf4a5564ea5bd5ddee2c9754ab6 [2023-11-26 10:42:16,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:16,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:16,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:16,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:16,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:16,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:16" (1/1) ... [2023-11-26 10:42:16,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b827bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:16, skipping insertion in model container [2023-11-26 10:42:16,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:16" (1/1) ... [2023-11-26 10:42:16,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:17,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:17,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:17,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:17,408 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:17,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17 WrapperNode [2023-11-26 10:42:17,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:17,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:17,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:17,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:17,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,475 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2023-11-26 10:42:17,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:17,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:17,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:17,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:17,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,526 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2023-11-26 10:42:17,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:17,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:17,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:17,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:17,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (1/1) ... [2023-11-26 10:42:17,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:17,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:17,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:17,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:42:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:17,752 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:17,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:17,898 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:17,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:17,908 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:42:17,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17 BoogieIcfgContainer [2023-11-26 10:42:17,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:17,912 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:42:17,912 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:42:17,916 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:42:17,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,917 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:42:16" (1/3) ... [2023-11-26 10:42:17,917 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c2e4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:17, skipping insertion in model container [2023-11-26 10:42:17,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,918 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:17" (2/3) ... [2023-11-26 10:42:17,918 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65c2e4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:17, skipping insertion in model container [2023-11-26 10:42:17,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:17,918 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17" (3/3) ... [2023-11-26 10:42:17,920 INFO L332 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-1.i [2023-11-26 10:42:17,975 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:42:17,976 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:42:17,976 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:42:17,976 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:42:17,976 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:42:17,976 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:42:17,976 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:42:17,977 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:42:17,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2023-11-26 10:42:18,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:42:18,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:18,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:18,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:18,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:18,011 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:42:18,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2023-11-26 10:42:18,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:42:18,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:18,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:18,043 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:18,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:18,053 INFO L748 eck$LassoCheckResult]: Stem: 10#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 11#L562true assume !(main_~array_size~0#1 < 1); 13#L562-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 5#L550-3true [2023-11-26 10:42:18,053 INFO L750 eck$LassoCheckResult]: Loop: 5#L550-3true assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 4#L551-3true assume !true; 12#L550-2true bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 5#L550-3true [2023-11-26 10:42:18,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,059 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-26 10:42:18,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169266250] [2023-11-26 10:42:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,261 INFO L85 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2023-11-26 10:42:18,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763708859] [2023-11-26 10:42:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:18,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:18,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763708859] [2023-11-26 10:42:18,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763708859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:18,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:18,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:42:18,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376736319] [2023-11-26 10:42:18,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:18,331 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:42:18,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:18,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:42:18,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:42:18,396 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:18,403 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2023-11-26 10:42:18,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2023-11-26 10:42:18,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:42:18,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2023-11-26 10:42:18,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:42:18,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:42:18,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-11-26 10:42:18,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:18,414 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:42:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-11-26 10:42:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-26 10:42:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-11-26 10:42:18,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:42:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:42:18,449 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-11-26 10:42:18,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:42:18,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-11-26 10:42:18,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-26 10:42:18,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:18,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:18,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:18,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:18,452 INFO L748 eck$LassoCheckResult]: Stem: 36#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 40#L562 assume !(main_~array_size~0#1 < 1); 41#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 42#L550-3 [2023-11-26 10:42:18,452 INFO L750 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 35#L551-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 38#L550-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 42#L550-3 [2023-11-26 10:42:18,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2023-11-26 10:42:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447612017] [2023-11-26 10:42:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2023-11-26 10:42:18,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978385023] [2023-11-26 10:42:18,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818489, now seen corresponding path program 1 times [2023-11-26 10:42:18,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:18,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247302745] [2023-11-26 10:42:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:18,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,725 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:18,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:18,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:18,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:18,727 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 10:42:18,727 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,727 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:18,727 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:18,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2023-11-26 10:42:18,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:18,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:18,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:18,920 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 10:42:18,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:18,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:42:18,971 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 10:42:18,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_~j~0#1=1} Honda state: {ULTIMATE.start_bubbleSort_~j~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 10:42:18,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 10:42:18,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:19,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:42:19,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 10:42:19,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 10:42:19,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:42:19,071 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 10:42:19,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,082 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:19,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:19,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:19,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:19,082 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:19,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:19,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:19,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2023-11-26 10:42:19,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:19,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:19,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:19,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:19,202 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:19,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:42:19,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:19,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:42:19,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:19,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:19,311 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-26 10:42:19,311 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-26 10:42:19,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:42:19,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:19,355 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 10:42:19,355 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:19,356 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2023-11-26 10:42:19,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-26 10:42:19,364 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 10:42:19,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,431 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:19,463 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:42:19,465 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:19,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 15 states and 22 transitions. Complement of second has 4 states. [2023-11-26 10:42:19,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-26 10:42:19,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-26 10:42:19,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-26 10:42:19,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-26 10:42:19,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2023-11-26 10:42:19,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:19,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 20 transitions. [2023-11-26 10:42:19,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-26 10:42:19,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:42:19,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2023-11-26 10:42:19,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:19,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-26 10:42:19,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2023-11-26 10:42:19,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-26 10:42:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2023-11-26 10:42:19,528 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-26 10:42:19,528 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-26 10:42:19,528 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:42:19,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2023-11-26 10:42:19,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:19,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:19,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:19,530 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:42:19,530 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:19,531 INFO L748 eck$LassoCheckResult]: Stem: 105#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 106#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 107#L562 assume !(main_~array_size~0#1 < 1); 108#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 109#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 99#L551-3 [2023-11-26 10:42:19,531 INFO L750 eck$LassoCheckResult]: Loop: 99#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 102#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 98#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 99#L551-3 [2023-11-26 10:42:19,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,532 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2023-11-26 10:42:19,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:19,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618839504] [2023-11-26 10:42:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:19,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:19,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,561 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2023-11-26 10:42:19,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:19,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726838654] [2023-11-26 10:42:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:19,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2023-11-26 10:42:19,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:19,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708865439] [2023-11-26 10:42:19,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:19,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:19,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:20,136 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:20,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:20,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:20,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:20,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:20,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:20,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:20,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:20,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration3_Lasso [2023-11-26 10:42:20,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:20,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:20,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:20,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:21,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:21,045 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:21,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:42:21,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:42:21,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:42:21,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:21,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:21,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:42:21,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:21,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:21,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:42:21,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:42:21,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,365 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:42:21,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:21,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:21,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,416 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:42:21,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,457 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:42:21,466 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 [2023-11-26 10:42:21,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:21,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:21,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:21,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:21,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,508 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:21,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:42:21,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:21,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:21,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:21,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:21,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:21,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:21,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:21,620 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 10:42:21,621 INFO L444 ModelExtractionUtils]: 11 out of 28 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-26 10:42:21,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:21,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:21,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:21,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:42:21,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:21,677 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:42:21,677 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:21,678 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers#1.offset, ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = 1*ULTIMATE.start_bubbleSort_~numbers#1.offset - 2*ULTIMATE.start_bubbleSort_~j~0#1 + 6*ULTIMATE.start_bubbleSort_~i~0#1 Supporting invariants [] [2023-11-26 10:42:21,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,702 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 10:42:21,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~numbers!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-26 10:42:21,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:21,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:21,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:21,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:21,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:21,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:21,816 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 10:42:21,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:21,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 41 transitions. Complement of second has 7 states. [2023-11-26 10:42:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-26 10:42:21,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-26 10:42:21,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:21,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-26 10:42:21,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:21,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2023-11-26 10:42:21,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:21,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. [2023-11-26 10:42:21,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:21,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 18 states and 26 transitions. [2023-11-26 10:42:21,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-26 10:42:21,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-26 10:42:21,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2023-11-26 10:42:21,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:21,864 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2023-11-26 10:42:21,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2023-11-26 10:42:21,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2023-11-26 10:42:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2023-11-26 10:42:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-26 10:42:21,866 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:42:21,866 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-26 10:42:21,866 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:42:21,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-26 10:42:21,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:21,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:21,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:21,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:21,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:21,868 INFO L748 eck$LassoCheckResult]: Stem: 209#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 211#L562 assume !(main_~array_size~0#1 < 1); 212#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 213#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 205#L551-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 207#L550-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 214#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 203#L551-3 [2023-11-26 10:42:21,868 INFO L750 eck$LassoCheckResult]: Loop: 203#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 206#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 202#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 203#L551-3 [2023-11-26 10:42:21,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:21,868 INFO L85 PathProgramCache]: Analyzing trace with hash 176798328, now seen corresponding path program 2 times [2023-11-26 10:42:21,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856390920] [2023-11-26 10:42:21,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:21,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:21,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:21,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856390920] [2023-11-26 10:42:21,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856390920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:21,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:21,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:42:21,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068969452] [2023-11-26 10:42:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:21,938 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:42:21,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:21,938 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2023-11-26 10:42:21,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:21,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455927314] [2023-11-26 10:42:21,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:21,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:21,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:21,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:22,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:22,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:22,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:22,090 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:22,142 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2023-11-26 10:42:22,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-26 10:42:22,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:22,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2023-11-26 10:42:22,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 10:42:22,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 10:42:22,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2023-11-26 10:42:22,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:22,145 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2023-11-26 10:42:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2023-11-26 10:42:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2023-11-26 10:42:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2023-11-26 10:42:22,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-26 10:42:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:42:22,148 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-26 10:42:22,148 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:42:22,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2023-11-26 10:42:22,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:22,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:22,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:22,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:22,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:22,150 INFO L748 eck$LassoCheckResult]: Stem: 255#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 257#L562 assume !(main_~array_size~0#1 < 1); 258#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 259#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 253#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 254#L552 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 250#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 251#L551-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 261#L550-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 260#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 249#L551-3 [2023-11-26 10:42:22,150 INFO L750 eck$LassoCheckResult]: Loop: 249#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 252#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 248#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 249#L551-3 [2023-11-26 10:42:22,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2023-11-26 10:42:22,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513286063] [2023-11-26 10:42:22,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:22,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2023-11-26 10:42:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239822592] [2023-11-26 10:42:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:22,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1321478696, now seen corresponding path program 1 times [2023-11-26 10:42:22,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506003277] [2023-11-26 10:42:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:22,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:22,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506003277] [2023-11-26 10:42:22,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506003277] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:22,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973191412] [2023-11-26 10:42:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:22,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:22,392 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:22,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-26 10:42:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:22,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:42:22,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:22,544 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973191412] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:22,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:42:22,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-11-26 10:42:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244424678] [2023-11-26 10:42:22,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:22,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:22,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 10:42:22,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:42:22,733 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:22,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:22,820 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2023-11-26 10:42:22,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2023-11-26 10:42:22,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:22,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 25 states and 34 transitions. [2023-11-26 10:42:22,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-26 10:42:22,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-26 10:42:22,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2023-11-26 10:42:22,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:22,823 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2023-11-26 10:42:22,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2023-11-26 10:42:22,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2023-11-26 10:42:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 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) [2023-11-26 10:42:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2023-11-26 10:42:22,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-26 10:42:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:42:22,832 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-26 10:42:22,833 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:42:22,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2023-11-26 10:42:22,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:22,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:22,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:22,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:22,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:22,837 INFO L748 eck$LassoCheckResult]: Stem: 395#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 397#L562 assume !(main_~array_size~0#1 < 1); 398#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 399#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 393#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 394#L552 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 390#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 391#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 403#L552 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 404#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 402#L551-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 401#L550-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 400#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 389#L551-3 [2023-11-26 10:42:22,837 INFO L750 eck$LassoCheckResult]: Loop: 389#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 392#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 388#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 389#L551-3 [2023-11-26 10:42:22,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2023-11-26 10:42:22,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578414572] [2023-11-26 10:42:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:22,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2023-11-26 10:42:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053129808] [2023-11-26 10:42:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:22,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:22,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 2 times [2023-11-26 10:42:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151695845] [2023-11-26 10:42:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:22,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:23,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:23,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151695845] [2023-11-26 10:42:23,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151695845] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:23,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615367913] [2023-11-26 10:42:23,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 10:42:23,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:23,477 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:23,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-26 10:42:23,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 10:42:23,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 10:42:23,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:42:23,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:23,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:42:23,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-11-26 10:42:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:42:23,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:23,837 INFO L349 Elim1Store]: treesize reduction 13, result has 60.6 percent of original size [2023-11-26 10:42:23,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 28 [2023-11-26 10:42:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:42:23,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615367913] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:23,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:42:23,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 7] total 16 [2023-11-26 10:42:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032684819] [2023-11-26 10:42:23,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:24,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 10:42:24,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:42:24,012 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 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) [2023-11-26 10:42:24,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:24,147 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2023-11-26 10:42:24,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2023-11-26 10:42:24,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-26 10:42:24,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2023-11-26 10:42:24,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-26 10:42:24,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-26 10:42:24,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2023-11-26 10:42:24,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:24,151 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 50 transitions. [2023-11-26 10:42:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2023-11-26 10:42:24,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2023-11-26 10:42:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 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) [2023-11-26 10:42:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2023-11-26 10:42:24,156 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-11-26 10:42:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 10:42:24,157 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2023-11-26 10:42:24,158 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 10:42:24,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2023-11-26 10:42:24,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 10:42:24,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:24,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:24,159 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:24,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 10:42:24,160 INFO L748 eck$LassoCheckResult]: Stem: 565#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 566#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 570#L562 assume !(main_~array_size~0#1 < 1); 571#L562-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 572#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 573#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 583#L552 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 563#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 564#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 569#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 576#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 582#L551-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 578#L550-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 579#L550-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 562#L551-3 [2023-11-26 10:42:24,160 INFO L750 eck$LassoCheckResult]: Loop: 562#L551-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 586#L552 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 561#L551-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 562#L551-3 [2023-11-26 10:42:24,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:24,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 3 times [2023-11-26 10:42:24,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:24,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976147679] [2023-11-26 10:42:24,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:24,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:24,190 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 5 times [2023-11-26 10:42:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:24,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103660153] [2023-11-26 10:42:24,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:24,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:24,204 INFO L85 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 4 times [2023-11-26 10:42:24,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:24,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333556838] [2023-11-26 10:42:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:24,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:24,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:25,102 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:25,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:25,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:25,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:25,102 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:25,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:25,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:25,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:25,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration7_Lasso [2023-11-26 10:42:25,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:25,103 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:25,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:25,992 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:25,992 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:25,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:25,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,019 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:42:26,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,070 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:42:26,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:26,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:26,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:26,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,114 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:42:26,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,143 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:42:26,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:26,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:26,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:26,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,176 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:42:26,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:26,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:26,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:26,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,217 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:42:26,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,277 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:42:26,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,305 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:42:26,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-26 10:42:26,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,340 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:42:26,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,398 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 10:42:26,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,453 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 10:42:26,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:26,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,508 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 10:42:26,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:26,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:26,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:26,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:26,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 10:42:26,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:26,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:26,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:26,605 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-26 10:42:26,605 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-26 10:42:26,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:26,612 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:26,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:26,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 10:42:26,648 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 10:42:26,648 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:26,649 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2, ULTIMATE.start_bubbleSort_~j~0#1) = 9*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 16*ULTIMATE.start_bubbleSort_~j~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_bubbleSort_~numbers#1.base)_2 - 2*ULTIMATE.start_bubbleSort_~i~0#1 >= 0] [2023-11-26 10:42:26,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:26,677 INFO L156 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2023-11-26 10:42:26,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated [2023-11-26 10:42:26,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:42:26,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:26,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:27,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-26 10:42:27,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:27,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 4 states. [2023-11-26 10:42:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-11-26 10:42:27,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-26 10:42:27,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:27,089 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:42:27,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:27,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:27,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:27,465 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-26 10:42:27,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:27,503 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 4 states. [2023-11-26 10:42:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2023-11-26 10:42:27,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-26 10:42:27,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:27,505 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:42:27,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:27,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:27,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:27,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:42:27,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:27,930 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-26 10:42:27,931 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:28,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 86 transitions. Complement of second has 18 states. [2023-11-26 10:42:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-26 10:42:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 37 transitions. [2023-11-26 10:42:28,511 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-26 10:42:28,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:28,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 17 letters. Loop has 3 letters. [2023-11-26 10:42:28,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:28,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 14 letters. Loop has 6 letters. [2023-11-26 10:42:28,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:28,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 86 transitions. [2023-11-26 10:42:28,515 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:28,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2023-11-26 10:42:28,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:42:28,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:42:28,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:42:28,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:28,516 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:28,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:28,516 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:28,516 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 10:42:28,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:42:28,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:28,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:42:28,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:28 BoogieIcfgContainer [2023-11-26 10:42:28,524 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:28,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:28,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:28,525 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:28,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:17" (3/4) ... [2023-11-26 10:42:28,527 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:42:28,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:28,529 INFO L158 Benchmark]: Toolchain (without parser) took 11795.81ms. Allocated memory was 130.0MB in the beginning and 224.4MB in the end (delta: 94.4MB). Free memory was 87.2MB in the beginning and 123.0MB in the end (delta: -35.8MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,530 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:28,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.95ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.22ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,531 INFO L158 Benchmark]: Boogie Preprocessor took 81.24ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,531 INFO L158 Benchmark]: RCFGBuilder took 352.06ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 56.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,532 INFO L158 Benchmark]: BuchiAutomizer took 10612.21ms. Allocated memory was 130.0MB in the beginning and 224.4MB in the end (delta: 94.4MB). Free memory was 56.5MB in the beginning and 124.1MB in the end (delta: -67.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,532 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 224.4MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:28,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.95ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.22ms. Allocated memory is still 130.0MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.24ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.06ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 56.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10612.21ms. Allocated memory was 130.0MB in the beginning and 224.4MB in the end (delta: 94.4MB). Free memory was 56.5MB in the beginning and 124.1MB in the end (delta: -67.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 224.4MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~numbers!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function ((2 * i) + 1) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 15 locations. 4 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.8s. Construction of modules took 0.3s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 79 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax173 hnf100 lsp59 ukn81 mio100 lsp77 div126 bol100 ite100 ukn100 eq178 hnf91 smp86 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:42:28,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:28,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-26 10:42:28,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad88e815-96ed-464b-84d0-20316b4b5070/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE