./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:00:16,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:00:16,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:00:16,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:00:16,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:00:16,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:00:16,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:00:16,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:00:16,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:00:16,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:00:16,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:00:16,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:00:16,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:00:16,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:00:16,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:00:16,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:00:16,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:00:16,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:00:16,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:00:16,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:00:16,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:00:16,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:00:16,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:00:16,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:00:16,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:00:16,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:00:16,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:00:16,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:00:16,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:00:16,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:00:16,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:00:16,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:00:16,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:00:16,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:00:16,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:00:16,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:00:16,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:00:16,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:00:16,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:00:16,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:00:16,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:00:16,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:00:16,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:00:16,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:00:16,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:00:16,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:00:16,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:00:16,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:00:16,748 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:00:16,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:00:16,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:00:16,749 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:00:16,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:00:16,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:00:16,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:00:16,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:00:16,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:00:16,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:00:16,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:00:16,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:00:16,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:00:16,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:00:16,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:00:16,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:00:16,752 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:00:16,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:00:16,752 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:00:16,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:00:16,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:00:16,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:00:16,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:00:16,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:00:16,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:00:16,755 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:00:16,755 INFO L138 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_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2022-11-02 20:00:17,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:00:17,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:00:17,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:00:17,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:00:17,102 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:00:17,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-11-02 20:00:17,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/data/4fe4ace9f/172bd5dc460f4243a87a9f01040f5855/FLAG194d4e1e8 [2022-11-02 20:00:17,910 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:00:17,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-11-02 20:00:17,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/data/4fe4ace9f/172bd5dc460f4243a87a9f01040f5855/FLAG194d4e1e8 [2022-11-02 20:00:17,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/data/4fe4ace9f/172bd5dc460f4243a87a9f01040f5855 [2022-11-02 20:00:17,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:00:17,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:00:17,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:00:17,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:00:17,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:00:17,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:00:17" (1/1) ... [2022-11-02 20:00:17,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2f121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:17, skipping insertion in model container [2022-11-02 20:00:17,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:00:17" (1/1) ... [2022-11-02 20:00:17,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:00:18,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:00:18,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:00:18,426 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:00:18,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:00:18,499 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:00:18,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18 WrapperNode [2022-11-02 20:00:18,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:00:18,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:00:18,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:00:18,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:00:18,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,547 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-02 20:00:18,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:00:18,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:00:18,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:00:18,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:00:18,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:00:18,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:00:18,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:00:18,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:00:18,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (1/1) ... [2022-11-02 20:00:18,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:18,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:18,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:00:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:00:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:00:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:00:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:00:18,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:00:18,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:00:18,840 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:00:18,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:00:18,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:00:19,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:00:19,004 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:00:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:00:19 BoogieIcfgContainer [2022-11-02 20:00:19,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:00:19,008 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:00:19,008 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:00:19,014 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:00:19,023 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:00:19,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:00:17" (1/3) ... [2022-11-02 20:00:19,024 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69b6f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:00:19, skipping insertion in model container [2022-11-02 20:00:19,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:00:19,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:18" (2/3) ... [2022-11-02 20:00:19,025 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69b6f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:00:19, skipping insertion in model container [2022-11-02 20:00:19,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:00:19,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:00:19" (3/3) ... [2022-11-02 20:00:19,044 INFO L332 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2022-11-02 20:00:19,126 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:00:19,126 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:00:19,127 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:00:19,127 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:00:19,127 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:00:19,127 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:00:19,127 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:00:19,128 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:00:19,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2022-11-02 20:00:19,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:00:19,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:19,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:19,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:00:19,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:00:19,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:00:19,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2022-11-02 20:00:19,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:00:19,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:19,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:19,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:00:19,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:00:19,175 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 11#L527true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 12#L527-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 15#L532-3true [2022-11-02 20:00:19,176 INFO L750 eck$LassoCheckResult]: Loop: 15#L532-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 4#L532-2true main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 15#L532-3true [2022-11-02 20:00:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:19,182 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-02 20:00:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:19,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145578451] [2022-11-02 20:00:19,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:19,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:19,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:19,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-02 20:00:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:19,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330363942] [2022-11-02 20:00:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:19,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-02 20:00:19,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:19,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242159643] [2022-11-02 20:00:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:19,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:19,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:19,979 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:00:19,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:00:19,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:00:19,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:00:19,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:00:19,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:19,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:00:19,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:00:19,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2022-11-02 20:00:19,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:00:19,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:00:20,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:20,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:00:20,791 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:00:20,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:20,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:20,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:20,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:00:20,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:00:20,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:20,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:20,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:20,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:20,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:20,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:20,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:20,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:20,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:20,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:20,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:20,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:20,882 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 [2022-11-02 20:00:20,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:00:20,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:20,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:20,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:20,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:20,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:20,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:20,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:20,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:20,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:20,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:00:20,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:00:20,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:20,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:20,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:20,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:20,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:20,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:20,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:21,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:21,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:21,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:21,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:21,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:00:21,063 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 [2022-11-02 20:00:21,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:21,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:21,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:21,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:21,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:21,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:21,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:21,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:21,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:21,150 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 [2022-11-02 20:00:21,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:00:21,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:21,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:21,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:21,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:21,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:21,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:21,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:21,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:21,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:21,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:21,217 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:21,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:00:21,224 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 [2022-11-02 20:00:21,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:21,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:21,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:21,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:21,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:21,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:21,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:21,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:21,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:21,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:21,320 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 [2022-11-02 20:00:21,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:21,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:21,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:21,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:00:21,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:21,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:21,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:00:21,418 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-02 20:00:21,419 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-02 20:00:21,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:21,424 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:21,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:00:21,430 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:00:21,449 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:00:21,450 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:00:21,450 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~array_size~0#1 - 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-02 20:00:21,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:21,510 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-02 20:00:21,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:21,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:00:21,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:21,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:00:21,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:21,667 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 [2022-11-02 20:00:21,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:21,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 56 transitions. Complement of second has 7 states. [2022-11-02 20:00:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:00:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-11-02 20:00:21,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-02 20:00:21,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:21,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-02 20:00:21,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:21,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-02 20:00:21,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:21,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 56 transitions. [2022-11-02 20:00:21,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:00:21,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 13 states and 18 transitions. [2022-11-02 20:00:21,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:21,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 20:00:21,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-02 20:00:21,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:00:21,768 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-02 20:00:21,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-02 20:00:21,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-02 20:00:21,792 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) [2022-11-02 20:00:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-02 20:00:21,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-02 20:00:21,794 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-02 20:00:21,794 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:00:21,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-02 20:00:21,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:00:21,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:21,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:21,796 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:00:21,796 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:21,796 INFO L748 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 110#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 111#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 114#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 117#L532-4 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; 118#L515-3 [2022-11-02 20:00:21,796 INFO L750 eck$LassoCheckResult]: Loop: 118#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 119#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 120#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 118#L515-3 [2022-11-02 20:00:21,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:21,797 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-02 20:00:21,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:21,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53307874] [2022-11-02 20:00:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:21,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:21,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53307874] [2022-11-02 20:00:21,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53307874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:00:21,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:00:21,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:00:21,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475514851] [2022-11-02 20:00:21,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:00:21,959 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:00:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:21,960 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-11-02 20:00:21,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:21,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104979545] [2022-11-02 20:00:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:21,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:21,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:21,997 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:00:21,997 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:00:21,997 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:00:21,997 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:00:21,998 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:00:21,998 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:21,998 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:00:21,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:00:21,998 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-11-02 20:00:21,998 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:00:21,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:00:22,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,021 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,114 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:00:22,115 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:00:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:00:22,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:00:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:00:22,155 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:00:22,156 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:00:22,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,197 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:00:22,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:00:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:00:22,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:00:22,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:00:22,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,274 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:00:22,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:00:22,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:00:22,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:00:22,324 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:00:22,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,370 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:00:22,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:00:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:00:22,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,455 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:00:22,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:00:22,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:00:22,529 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:00:22,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,533 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:00:22,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:00:22,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:00:22,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:00:22,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:00:22,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:00:22,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:00:22,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-11-02 20:00:22,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:00:22,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:00:22,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:22,650 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:00:22,650 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:00:22,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,652 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,659 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 [2022-11-02 20:00:22,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:00:22,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:22,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:22,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:22,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:22,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:22,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:22,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:22,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,752 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 [2022-11-02 20:00:22,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:00:22,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:22,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:22,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:22,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:22,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:22,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:22,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:22,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:22,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,815 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,836 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 [2022-11-02 20:00:22,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:00:22,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:22,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:22,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:22,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:22,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:22,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:22,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:22,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,909 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:00:22,912 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 [2022-11-02 20:00:22,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:22,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:22,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:22,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:22,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:22,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:22,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:22,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:22,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:22,976 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:22,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:00:22,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:00:22,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:22,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:22,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:22,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:22,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:22,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:22,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:22,997 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:00:23,001 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:00:23,001 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:00:23,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:23,004 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:00:23,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:00:23,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:00:23,007 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:00:23,007 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 [] [2022-11-02 20:00:23,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:23,036 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:00:23,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:23,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:00:23,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:23,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:00:23,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:23,145 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 [2022-11-02 20:00:23,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-02 20:00:23,172 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 19 states and 28 transitions. Complement of second has 4 states. [2022-11-02 20:00:23,173 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 [2022-11-02 20:00:23,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-02 20:00:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-11-02 20:00:23,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-02 20:00:23,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:23,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-02 20:00:23,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:23,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2022-11-02 20:00:23,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:23,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2022-11-02 20:00:23,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:23,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2022-11-02 20:00:23,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:23,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 20:00:23,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-11-02 20:00:23,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:23,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-02 20:00:23,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-11-02 20:00:23,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-02 20:00:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2022-11-02 20:00:23,185 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2022-11-02 20:00:23,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:00:23,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:00:23,191 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:23,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:23,223 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2022-11-02 20:00:23,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2022-11-02 20:00:23,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:23,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2022-11-02 20:00:23,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:23,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:23,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-02 20:00:23,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:23,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-02 20:00:23,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-02 20:00:23,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-02 20:00:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-02 20:00:23,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-02 20:00:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:00:23,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-02 20:00:23,240 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:00:23,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-02 20:00:23,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:23,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:23,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:23,244 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:23,244 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:23,245 INFO L748 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 223#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 224#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 227#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 228#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 229#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 230#L532-4 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; 231#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 232#L516-3 [2022-11-02 20:00:23,245 INFO L750 eck$LassoCheckResult]: Loop: 232#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 233#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 238#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 232#L516-3 [2022-11-02 20:00:23,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:23,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2022-11-02 20:00:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:23,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209182150] [2022-11-02 20:00:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:23,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:23,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:23,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:23,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-11-02 20:00:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:23,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523939694] [2022-11-02 20:00:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:23,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:23,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:23,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:23,336 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2022-11-02 20:00:23,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:23,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291955809] [2022-11-02 20:00:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:23,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:23,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-02 20:00:23,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:23,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:23,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291955809] [2022-11-02 20:00:23,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291955809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:00:23,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550589111] [2022-11-02 20:00:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:23,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:00:23,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:23,634 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:00:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-02 20:00:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:23,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:23,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:23,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:00:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:23,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550589111] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:00:23,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:00:23,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2022-11-02 20:00:23,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774669148] [2022-11-02 20:00:23,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:00:23,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:23,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:00:23,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:00:23,979 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2022-11-02 20:00:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:24,164 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2022-11-02 20:00:24,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2022-11-02 20:00:24,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:24,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2022-11-02 20:00:24,170 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:24,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:24,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-02 20:00:24,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:24,171 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-02 20:00:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-02 20:00:24,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-02 20:00:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-02 20:00:24,177 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:00:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:00:24,179 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:00:24,179 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:00:24,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-11-02 20:00:24,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:24,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:24,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:24,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:24,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:24,183 INFO L748 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 365#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 362#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 363#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 366#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 367#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 368#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 379#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 380#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 369#L532-4 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; 370#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 371#L516-3 [2022-11-02 20:00:24,183 INFO L750 eck$LassoCheckResult]: Loop: 371#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 372#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 377#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 371#L516-3 [2022-11-02 20:00:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:24,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2022-11-02 20:00:24,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:24,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709850616] [2022-11-02 20:00:24,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:24,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:24,260 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-11-02 20:00:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:24,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13362420] [2022-11-02 20:00:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2022-11-02 20:00:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:24,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371937134] [2022-11-02 20:00:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:24,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:24,896 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:00:24,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:00:24,896 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:00:24,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:00:24,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:00:24,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:24,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:00:24,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:00:24,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2022-11-02 20:00:24,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:00:24,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:00:24,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:24,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:25,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:00:25,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:00:25,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:25,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:25,989 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:25,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:00:26,003 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 [2022-11-02 20:00:26,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:26,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:26,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:26,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,087 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,096 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 [2022-11-02 20:00:26,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:00:26,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:26,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:26,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:26,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,178 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:00:26,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:00:26,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,264 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,267 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 [2022-11-02 20:00:26,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:00:26,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:26,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:26,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:26,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,338 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:00:26,340 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 [2022-11-02 20:00:26,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,394 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:00:26,395 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 [2022-11-02 20:00:26,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:26,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:26,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:26,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,456 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:00:26,459 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 [2022-11-02 20:00:26,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-02 20:00:26,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,519 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:00:26,522 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 [2022-11-02 20:00:26,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,609 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,619 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 [2022-11-02 20:00:26,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:00:26,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,683 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:00:26,688 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 [2022-11-02 20:00:26,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 20:00:26,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,750 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,754 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 [2022-11-02 20:00:26,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:00:26,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:26,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:26,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:26,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:26,843 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:26,847 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 [2022-11-02 20:00:26,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:00:26,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:26,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:26,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:26,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:26,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:26,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:26,902 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:00:27,032 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-02 20:00:27,033 INFO L444 ModelExtractionUtils]: 7 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-02 20:00:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:27,035 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:27,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:00:27,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:00:27,066 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:00:27,066 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:00:27,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers#1.offset, ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_bubbleSort_~j~0#1) = -1*ULTIMATE.start_bubbleSort_~numbers#1.offset + 4294967295*ULTIMATE.start_main_~array_size~0#1 - 4*ULTIMATE.start_bubbleSort_~j~0#1 Supporting invariants [-2*v_rep(select #length ULTIMATE.start_bubbleSort_~numbers#1.base)_1 + 4294967295*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-11-02 20:00:27,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:27,132 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-02 20:00:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:27,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:00:27,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:27,254 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-02 20:00:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:27,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:00:27,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:27,500 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-02 20:00:27,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:27,689 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 11 states. [2022-11-02 20:00:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:00:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2022-11-02 20:00:27,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-02 20:00:27,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:27,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-02 20:00:27,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:27,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-02 20:00:27,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:27,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2022-11-02 20:00:27,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:27,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2022-11-02 20:00:27,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:27,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:27,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2022-11-02 20:00:27,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:27,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2022-11-02 20:00:27,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2022-11-02 20:00:27,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2022-11-02 20:00:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-02 20:00:27,696 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:00:27,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:00:27,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:00:27,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-02 20:00:27,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:27,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:27,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:27,698 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:27,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:27,698 INFO L748 eck$LassoCheckResult]: Stem: 525#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 526#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 523#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 524#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 529#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 527#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 528#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 540#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 541#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 530#L532-4 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; 531#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 534#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 535#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 537#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 532#L516-3 [2022-11-02 20:00:27,698 INFO L750 eck$LassoCheckResult]: Loop: 532#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 533#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 538#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 532#L516-3 [2022-11-02 20:00:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2022-11-02 20:00:27,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:27,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886494723] [2022-11-02 20:00:27,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:27,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:27,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886494723] [2022-11-02 20:00:27,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886494723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:00:27,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588630150] [2022-11-02 20:00:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:00:27,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:27,898 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:00:27,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:27,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-11-02 20:00:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:27,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:27,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:28,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:00:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588630150] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:00:28,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:00:28,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2022-11-02 20:00:28,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569680551] [2022-11-02 20:00:28,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:00:28,087 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:00:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2022-11-02 20:00:28,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:28,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637794720] [2022-11-02 20:00:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:28,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:28,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:00:28,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:00:28,232 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:28,385 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2022-11-02 20:00:28,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2022-11-02 20:00:28,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:28,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2022-11-02 20:00:28,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:28,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:28,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-11-02 20:00:28,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:28,387 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-11-02 20:00:28,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-11-02 20:00:28,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2022-11-02 20:00:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-02 20:00:28,391 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 20:00:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:00:28,398 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 20:00:28,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:00:28,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-02 20:00:28,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:28,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:28,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:28,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:28,403 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:28,404 INFO L748 eck$LassoCheckResult]: Stem: 671#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 672#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 669#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 670#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 675#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 673#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 674#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 687#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 688#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 676#L532-4 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; 677#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 680#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 681#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 686#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 683#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 684#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 682#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 678#L516-3 [2022-11-02 20:00:28,404 INFO L750 eck$LassoCheckResult]: Loop: 678#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 679#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 685#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 678#L516-3 [2022-11-02 20:00:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2022-11-02 20:00:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:28,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959293104] [2022-11-02 20:00:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:28,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:28,460 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2022-11-02 20:00:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:28,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292587963] [2022-11-02 20:00:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,474 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:28,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:28,480 INFO L85 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2022-11-02 20:00:28,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:28,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154309732] [2022-11-02 20:00:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:28,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:00:28,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:28,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154309732] [2022-11-02 20:00:28,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154309732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:00:28,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666037675] [2022-11-02 20:00:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:00:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:28,691 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:00:28,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-02 20:00:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:28,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:00:28,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:00:28,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:00:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:00:28,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666037675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:00:28,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:00:28,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-11-02 20:00:28,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610465882] [2022-11-02 20:00:28,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:00:29,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:29,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:00:29,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:00:29,033 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:29,194 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-02 20:00:29,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2022-11-02 20:00:29,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:29,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2022-11-02 20:00:29,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:29,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:29,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-02 20:00:29,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:29,195 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-02 20:00:29,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-02 20:00:29,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-02 20:00:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:00:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-02 20:00:29,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-02 20:00:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:00:29,200 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-02 20:00:29,202 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 20:00:29,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-02 20:00:29,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:29,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:29,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:29,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:29,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:29,207 INFO L748 eck$LassoCheckResult]: Stem: 867#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 868#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 865#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 866#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 871#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 869#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 870#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 886#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 883#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 884#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 885#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 872#L532-4 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; 873#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 876#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 877#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 882#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 879#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 880#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 878#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 874#L516-3 [2022-11-02 20:00:29,207 INFO L750 eck$LassoCheckResult]: Loop: 874#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 875#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 881#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 874#L516-3 [2022-11-02 20:00:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:29,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2022-11-02 20:00:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:29,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150711754] [2022-11-02 20:00:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:29,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:29,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150711754] [2022-11-02 20:00:29,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150711754] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:00:29,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579324936] [2022-11-02 20:00:29,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:00:29,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:00:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:29,370 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:00:29,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-11-02 20:00:29,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:00:29,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:00:29,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:00:29,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:29,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:00:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:29,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579324936] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:00:29,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:00:29,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-11-02 20:00:29,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475445703] [2022-11-02 20:00:29,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:00:29,665 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:00:29,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:29,665 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2022-11-02 20:00:29,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:29,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626081855] [2022-11-02 20:00:29,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:29,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:29,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:29,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:29,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:00:29,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:00:29,798 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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) [2022-11-02 20:00:30,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:30,002 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-11-02 20:00:30,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2022-11-02 20:00:30,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:30,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2022-11-02 20:00:30,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 20:00:30,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:00:30,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2022-11-02 20:00:30,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:30,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-02 20:00:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2022-11-02 20:00:30,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2022-11-02 20:00:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 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) [2022-11-02 20:00:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-02 20:00:30,008 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-02 20:00:30,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:00:30,009 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-02 20:00:30,009 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 20:00:30,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-02 20:00:30,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:30,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:30,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:30,011 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:30,011 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:30,011 INFO L748 eck$LassoCheckResult]: Stem: 1056#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1057#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1054#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1055#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1058#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1059#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1060#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1073#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1077#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1076#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1075#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1061#L532-4 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; 1062#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1067#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1078#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1072#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1065#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1066#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1074#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1069#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1070#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1068#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1063#L516-3 [2022-11-02 20:00:30,011 INFO L750 eck$LassoCheckResult]: Loop: 1063#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1064#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1071#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1063#L516-3 [2022-11-02 20:00:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:30,012 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2022-11-02 20:00:30,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:30,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148052829] [2022-11-02 20:00:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:30,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:30,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2022-11-02 20:00:30,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:30,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043321696] [2022-11-02 20:00:30,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:30,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:30,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:30,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:30,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2022-11-02 20:00:30,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:30,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977281820] [2022-11-02 20:00:30,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:00:30,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:00:30,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977281820] [2022-11-02 20:00:30,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977281820] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:00:30,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488268177] [2022-11-02 20:00:30,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:00:30,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:00:30,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:30,919 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:00:30,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-02 20:00:31,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:00:31,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:00:31,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-02 20:00:31,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:31,200 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:00:31,201 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-02 20:00:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:00:31,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:00:31,360 INFO L356 Elim1Store]: treesize reduction 15, result has 63.4 percent of original size [2022-11-02 20:00:31,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 [2022-11-02 20:00:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-02 20:00:31,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488268177] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:00:31,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:00:31,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 7] total 17 [2022-11-02 20:00:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389589905] [2022-11-02 20:00:31,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:00:31,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:00:31,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:00:31,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:00:31,554 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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) [2022-11-02 20:00:31,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:00:31,829 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2022-11-02 20:00:31,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2022-11-02 20:00:31,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-02 20:00:31,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2022-11-02 20:00:31,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-02 20:00:31,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 20:00:31,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2022-11-02 20:00:31,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:00:31,831 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 63 transitions. [2022-11-02 20:00:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2022-11-02 20:00:31,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2022-11-02 20:00:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 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) [2022-11-02 20:00:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2022-11-02 20:00:31,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2022-11-02 20:00:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:00:31,840 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2022-11-02 20:00:31,841 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-02 20:00:31,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2022-11-02 20:00:31,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:00:31,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:00:31,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:00:31,843 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:00:31,844 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:00:31,844 INFO L748 eck$LassoCheckResult]: Stem: 1307#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1308#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1305#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1306#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1309#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1324#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1325#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1310#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1311#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1328#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1327#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1312#L532-4 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; 1313#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1316#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1317#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1322#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1323#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1339#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1337#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1338#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1318#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1319#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1314#L516-3 [2022-11-02 20:00:31,844 INFO L750 eck$LassoCheckResult]: Loop: 1314#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1315#L517 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(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(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(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(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1321#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1314#L516-3 [2022-11-02 20:00:31,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:31,845 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2022-11-02 20:00:31,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:31,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832951721] [2022-11-02 20:00:31,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:31,903 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2022-11-02 20:00:31,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:31,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158923001] [2022-11-02 20:00:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:31,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2022-11-02 20:00:31,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:00:31,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319139596] [2022-11-02 20:00:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:00:31,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:00:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:00:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:00:31,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:00:34,033 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:00:34,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:00:34,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:00:34,034 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:00:34,034 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:00:34,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:34,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:00:34,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:00:34,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration9_Lasso [2022-11-02 20:00:34,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:00:34,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:00:34,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:34,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:00:35,335 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:00:35,335 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:00:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,344 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,348 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 [2022-11-02 20:00:35,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:00:35,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:35,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:35,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:35,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:35,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,432 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,441 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 [2022-11-02 20:00:35,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:00:35,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:35,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:35,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 20:00:35,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,500 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:00:35,502 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 [2022-11-02 20:00:35,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:35,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:35,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,564 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:00:35,566 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 [2022-11-02 20:00:35,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:35,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:35,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:35,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-02 20:00:35,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,607 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:00:35,609 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 [2022-11-02 20:00:35,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:00:35,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:00:35,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:00:35,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-02 20:00:35,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,650 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 20:00:35,659 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 [2022-11-02 20:00:35,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:35,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:35,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 20:00:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,727 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 20:00:35,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:00:35,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:35,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:35,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:00:35,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-02 20:00:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,799 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 20:00:35,804 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 [2022-11-02 20:00:35,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:00:35,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:00:35,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:00:35,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:00:35,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:00:35,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:00:35,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:00:35,901 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-02 20:00:35,901 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-02 20:00:35,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:00:35,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:00:35,902 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:00:35,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:00:35,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 20:00:35,922 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:00:35,922 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:00:35,922 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3, ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 - 16*ULTIMATE.start_bubbleSort_~j~0#1 + 16*ULTIMATE.start_bubbleSort_~i~0#1 Supporting invariants [] [2022-11-02 20:00:35,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:35,983 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-02 20:00:36,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:36,295 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:00:36,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 78 transitions. Complement of second has 9 states. [2022-11-02 20:00:36,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:00:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-02 20:00:36,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-02 20:00:36,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:36,372 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:00:36,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:36,581 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:00:36,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 78 transitions. Complement of second has 9 states. [2022-11-02 20:00:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:00:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-02 20:00:36,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-02 20:00:36,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:36,657 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:00:36,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:00:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:00:36,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:00:36,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:00:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:00:36,873 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:00:36,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 76 transitions. Complement of second has 8 states. [2022-11-02 20:00:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:00:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2022-11-02 20:00:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2022-11-02 20:00:36,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-02 20:00:36,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:36,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-02 20:00:36,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:36,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-02 20:00:36,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:00:36,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 76 transitions. [2022-11-02 20:00:36,965 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:00:36,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2022-11-02 20:00:36,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:00:36,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:00:36,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:00:36,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:00:36,966 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:00:36,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:00:36,966 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:00:36,967 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-02 20:00:36,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:00:36,967 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:00:36,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:00:36,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:00:36 BoogieIcfgContainer [2022-11-02 20:00:36,978 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:00:36,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:00:36,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:00:36,979 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:00:36,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:00:19" (3/4) ... [2022-11-02 20:00:36,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:00:36,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:00:36,983 INFO L158 Benchmark]: Toolchain (without parser) took 19031.40ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 120.8MB in the beginning and 147.1MB in the end (delta: -26.3MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-11-02 20:00:36,984 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:00:36,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.61ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 123.5MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:00:36,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.41ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 121.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:00:36,985 INFO L158 Benchmark]: Boogie Preprocessor took 30.12ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:00:36,986 INFO L158 Benchmark]: RCFGBuilder took 427.18ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 108.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:00:36,986 INFO L158 Benchmark]: BuchiAutomizer took 17969.95ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 108.9MB in the beginning and 147.1MB in the end (delta: -38.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-11-02 20:00:36,987 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 245.4MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:00:36,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 46.4MB in the beginning and 46.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.61ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 123.5MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.41ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 121.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.12ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.18ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 108.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 17969.95ms. Allocated memory was 155.2MB in the beginning and 245.4MB in the end (delta: 90.2MB). Free memory was 108.9MB in the beginning and 147.1MB in the end (delta: -38.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 245.4MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function array_size + -1 * k and consists of 5 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 3 locations. One deterministic module has affine ranking function -4 * j + -1 * numbers + 4294967295 * array_size and consists of 8 locations. One nondeterministic module has affine ranking function -16 * j + 16 * i + unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] and consists of 6 locations. 6 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.8s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 14.7s. Construction of modules took 0.5s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 32 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 571 IncrementalHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 116 mSDtfsCounter, 571 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT1 lasso3 LassoPreprocessingBenchmarks: Lassos: inital151 mio100 ax148 hnf100 lsp72 ukn79 mio100 lsp75 div144 bol100 ite100 ukn100 eq159 hnf93 smp77 dnf100 smp100 tf103 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:00:37,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:37,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:37,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:37,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-11-02 20:00:37,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:00:38,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ed28d03-7dd9-42e3-904d-e1e1c9c9960b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE