./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX --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 64bit --witnessprinter.graph.data.programhash ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:40:51,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:40:51,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:40:51,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:40:51,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:40:51,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:40:51,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:40:51,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:40:51,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:40:51,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:40:51,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:40:51,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:40:51,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:40:51,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:40:51,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:40:51,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:40:51,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:40:51,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:40:51,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:40:51,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:40:51,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:40:51,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:40:51,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:40:51,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:40:51,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:40:51,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:40:51,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:40:51,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:40:51,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:40:51,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:40:51,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:40:51,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:40:51,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:40:51,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:40:51,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:40:51,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:40:51,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:40:51,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:40:51,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:40:51,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:40:51,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:40:51,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 09:40:51,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:40:51,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:40:51,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:40:51,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:40:51,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:40:51,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:40:51,663 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:40:51,664 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:40:51,664 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:40:51,664 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:40:51,665 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:40:51,666 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:40:51,666 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:40:51,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:40:51,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:40:51,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:40:51,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:40:51,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:40:51,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:40:51,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:40:51,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:40:51,668 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:40:51,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:40:51,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:40:51,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:40:51,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:40:51,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:40:51,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:40:51,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:40:51,671 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:40:51,671 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_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d [2021-11-09 09:40:51,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:40:52,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:40:52,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:40:52,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:40:52,025 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:40:52,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2021-11-09 09:40:52,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/data/0410112c6/249888fcecee41ef8fa37633967b891a/FLAG380caad53 [2021-11-09 09:40:52,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:40:52,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2021-11-09 09:40:52,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/data/0410112c6/249888fcecee41ef8fa37633967b891a/FLAG380caad53 [2021-11-09 09:40:52,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/data/0410112c6/249888fcecee41ef8fa37633967b891a [2021-11-09 09:40:52,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:40:52,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:40:52,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:40:52,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:40:52,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:40:52,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:40:52" (1/1) ... [2021-11-09 09:40:52,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ad5cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:52, skipping insertion in model container [2021-11-09 09:40:52,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:40:52" (1/1) ... [2021-11-09 09:40:53,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:40:53,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:40:53,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:53,463 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:40:53,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:53,606 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:40:53,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53 WrapperNode [2021-11-09 09:40:53,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:40:53,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:53,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:40:53,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:40:53,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:53,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:40:53,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:40:53,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:40:53,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:40:53,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:40:53,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:40:53,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:40:53,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:53,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:53,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:40:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:40:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:40:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:40:53,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:40:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:40:53,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:40:54,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:40:54,143 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-09 09:40:54,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:54 BoogieIcfgContainer [2021-11-09 09:40:54,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:40:54,147 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:40:54,147 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:40:54,151 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:40:54,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:40:54,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:40:52" (1/3) ... [2021-11-09 09:40:54,154 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3247af98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:40:54, skipping insertion in model container [2021-11-09 09:40:54,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:40:54,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (2/3) ... [2021-11-09 09:40:54,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3247af98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:40:54, skipping insertion in model container [2021-11-09 09:40:54,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:40:54,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:54" (3/3) ... [2021-11-09 09:40:54,157 INFO L389 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-2.i [2021-11-09 09:40:54,209 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:40:54,210 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:40:54,210 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:40:54,210 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:40:54,211 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:40:54,211 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:40:54,211 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:40:54,211 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:40:54,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 09:40:54,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:54,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:54,263 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 09:40:54,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 09:40:54,264 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:40:54,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 09:40:54,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:54,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:54,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 09:40:54,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 09:40:54,276 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 11#L566true assume !(main_~array_size~0 < 1); 13#L566-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 8#L550-3true [2021-11-09 09:40:54,277 INFO L793 eck$LassoCheckResult]: Loop: 8#L550-3true assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 14#L554-3true assume !true; 10#L554-4true call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 15#L550-2true SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 8#L550-3true [2021-11-09 09:40:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-09 09:40:54,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004449214] [2021-11-09 09:40:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,430 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:54,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1463796, now seen corresponding path program 1 times [2021-11-09 09:40:54,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238454407] [2021-11-09 09:40:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:54,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:54,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238454407] [2021-11-09 09:40:54,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238454407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:54,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:54,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:54,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135594189] [2021-11-09 09:40:54,538 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:40:54,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:54,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:40:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:40:54,559 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:54,566 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-11-09 09:40:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:40:54,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-11-09 09:40:54,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 09:40:54,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 13 transitions. [2021-11-09 09:40:54,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-09 09:40:54,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-09 09:40:54,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-11-09 09:40:54,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:40:54,578 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-09 09:40:54,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-11-09 09:40:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-09 09:40:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-09 09:40:54,608 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-09 09:40:54,609 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-09 09:40:54,609 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:40:54,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-09 09:40:54,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-09 09:40:54,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:54,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:54,611 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 09:40:54,611 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 09:40:54,612 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 37#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 44#L566 assume !(main_~array_size~0 < 1); 41#L566-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 42#L550-3 [2021-11-09 09:40:54,612 INFO L793 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 40#L554-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 43#L554-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 45#L550-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 42#L550-3 [2021-11-09 09:40:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,613 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-11-09 09:40:54,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56859673] [2021-11-09 09:40:54,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,631 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:54,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1453225, now seen corresponding path program 1 times [2021-11-09 09:40:54,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120924850] [2021-11-09 09:40:54,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:54,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:54,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120924850] [2021-11-09 09:40:54,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120924850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:54,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:54,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:54,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581222882] [2021-11-09 09:40:54,701 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 09:40:54,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:54,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:54,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:54,704 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:54,727 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2021-11-09 09:40:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:54,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2021-11-09 09:40:54,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 09:40:54,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. [2021-11-09 09:40:54,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 09:40:54,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-09 09:40:54,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-11-09 09:40:54,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:40:54,732 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-09 09:40:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-11-09 09:40:54,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-09 09:40:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-09 09:40:54,735 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-09 09:40:54,735 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-09 09:40:54,735 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 09:40:54,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-11-09 09:40:54,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 09:40:54,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:54,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:54,738 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 09:40:54,738 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:54,780 INFO L791 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 64#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 71#L566 assume !(main_~array_size~0 < 1); 68#L566-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 69#L550-3 [2021-11-09 09:40:54,780 INFO L793 eck$LassoCheckResult]: Loop: 69#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 70#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 65#L556 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 66#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 67#L554-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 72#L554-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 73#L550-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 69#L550-3 [2021-11-09 09:40:54,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2021-11-09 09:40:54,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409705761] [2021-11-09 09:40:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,807 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:54,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,847 INFO L85 PathProgramCache]: Analyzing trace with hash 393067660, now seen corresponding path program 1 times [2021-11-09 09:40:54,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106860037] [2021-11-09 09:40:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,902 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:54,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:54,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:54,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1419424808, now seen corresponding path program 1 times [2021-11-09 09:40:54,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:54,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930268970] [2021-11-09 09:40:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:54,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:55,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:55,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:55,962 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:40:55,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:40:55,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:40:55,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:40:55,965 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:40:55,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:55,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:40:55,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:40:55,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration3_Lasso [2021-11-09 09:40:55,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:40:55,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:40:55,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:56,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:40:56,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:40:56,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:56,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:56,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:56,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:40:56,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:40:56,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:56,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:56,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:56,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:56,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:56,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:56,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:56,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:56,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-09 09:40:56,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:56,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:56,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:56,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:40:56,981 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 [2021-11-09 09:40:56,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:56,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:56,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:56,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:56,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:56,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:56,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:57,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:57,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:57,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:57,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:57,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:40:57,058 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 [2021-11-09 09:40:57,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:57,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:57,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:57,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:57,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:40:57,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:40:57,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:57,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:57,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:57,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:57,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:57,149 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 [2021-11-09 09:40:57,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:57,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:57,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:57,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:57,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:40:57,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:40:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:40:57,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:57,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:57,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:57,237 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:57,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:40:57,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:57,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:40:57,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:57,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:57,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:57,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:40:57,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:40:57,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:40:57,373 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-09 09:40:57,374 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-11-09 09:40:57,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:57,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:57,377 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:57,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:40:57,388 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:40:57,409 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:40:57,409 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:40:57,409 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~i~0, ULTIMATE.start_SelectionSort_~a.offset, v_rep(select #length ULTIMATE.start_SelectionSort_~a.base)_1) = -4*ULTIMATE.start_SelectionSort_~i~0 - 1*ULTIMATE.start_SelectionSort_~a.offset + 2*v_rep(select #length ULTIMATE.start_SelectionSort_~a.base)_1 Supporting invariants [] [2021-11-09 09:40:57,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:57,466 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-09 09:40:57,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:57,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:40:57,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:57,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:40:57,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:57,736 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-09 09:40:57,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 6 states. [2021-11-09 09:40:57,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 09:40:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-09 09:40:57,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 7 letters. [2021-11-09 09:40:57,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:57,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 7 letters. [2021-11-09 09:40:57,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:57,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 14 letters. [2021-11-09 09:40:57,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:57,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2021-11-09 09:40:57,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:57,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 22 transitions. [2021-11-09 09:40:57,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 09:40:57,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-09 09:40:57,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-11-09 09:40:57,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:40:57,844 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-09 09:40:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-11-09 09:40:57,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-11-09 09:40:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-11-09 09:40:57,848 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-09 09:40:57,848 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-09 09:40:57,850 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 09:40:57,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-11-09 09:40:57,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:57,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:57,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:57,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 09:40:57,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:40:57,853 INFO L791 eck$LassoCheckResult]: Stem: 162#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 163#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 174#L566 assume !(main_~array_size~0 < 1); 170#L566-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 171#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 168#L554-3 [2021-11-09 09:40:57,853 INFO L793 eck$LassoCheckResult]: Loop: 168#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 164#L556 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 165#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 168#L554-3 [2021-11-09 09:40:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-11-09 09:40:57,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:57,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635966600] [2021-11-09 09:40:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:57,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:57,880 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:57,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:57,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:57,901 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-11-09 09:40:57,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:57,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341440850] [2021-11-09 09:40:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:57,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:57,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:57,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2021-11-09 09:40:57,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:57,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597109868] [2021-11-09 09:40:57,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:57,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:57,968 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:58,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:58,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:58,350 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:40:58,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:40:58,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:40:58,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:40:58,351 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:40:58,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:58,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:40:58,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:40:58,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration4_Lasso [2021-11-09 09:40:58,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:40:58,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:40:58,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:40:58,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:40:58,847 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:40:58,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:58,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:58,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:58,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:40:58,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:58,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:58,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:58,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:58,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:58,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:58,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:58,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:40:58,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:58,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:58,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:58,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:40:58,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:40:58,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:58,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:58,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:58,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:58,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:58,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:58,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:58,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:58,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:58,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:58,966 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:58,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:40:58,969 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 [2021-11-09 09:40:58,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:58,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:58,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:58,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:58,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:58,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:58,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:58,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:59,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-09 09:40:59,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:59,015 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:59,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 09:40:59,016 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 [2021-11-09 09:40:59,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:59,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:40:59,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:59,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:59,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:59,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:40:59,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:40:59,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:40:59,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:59,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:59,045 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 09:40:59,047 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 [2021-11-09 09:40:59,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:40:59,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:40:59,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:40:59,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:40:59,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:40:59,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:40:59,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:40:59,133 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-09 09:40:59,133 INFO L444 ModelExtractionUtils]: 9 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-11-09 09:40:59,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:40:59,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:59,135 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:59,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 09:40:59,139 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:40:59,148 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-09 09:40:59,149 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:40:59,149 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~j~0, v_rep(select #length ULTIMATE.start_SelectionSort_~a.base)_2) = -4*ULTIMATE.start_SelectionSort_~j~0 + 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a.base)_2 Supporting invariants [1*ULTIMATE.start_SelectionSort_~a.offset >= 0] [2021-11-09 09:40:59,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:59,184 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-11-09 09:40:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:59,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 09:40:59,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:59,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:59,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:40:59,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:59,342 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-09 09:40:59,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 8 states. [2021-11-09 09:40:59,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 09:40:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-11-09 09:40:59,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-09 09:40:59,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:59,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 8 letters. Loop has 3 letters. [2021-11-09 09:40:59,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:59,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 6 letters. [2021-11-09 09:40:59,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:40:59,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2021-11-09 09:40:59,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:59,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 22 states and 30 transitions. [2021-11-09 09:40:59,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 09:40:59,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 09:40:59,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2021-11-09 09:40:59,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:40:59,385 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-11-09 09:40:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2021-11-09 09:40:59,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2021-11-09 09:40:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-11-09 09:40:59,387 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-09 09:40:59,388 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-09 09:40:59,388 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 09:40:59,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-11-09 09:40:59,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:59,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:59,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:59,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:59,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:40:59,390 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 299#L566 assume !(main_~array_size~0 < 1); 294#L566-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 295#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 293#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 289#L556 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 290#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 292#L554-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 297#L554-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 298#L550-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 296#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 291#L554-3 [2021-11-09 09:40:59,390 INFO L793 eck$LassoCheckResult]: Loop: 291#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 287#L556 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 288#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 291#L554-3 [2021-11-09 09:40:59,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1109754407, now seen corresponding path program 1 times [2021-11-09 09:40:59,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058920931] [2021-11-09 09:40:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:59,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:59,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:59,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058920931] [2021-11-09 09:40:59,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058920931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:40:59,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389553108] [2021-11-09 09:40:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:40:59,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:59,440 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:40:59,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-09 09:40:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:59,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:40:59,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:59,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389553108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:40:59,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:40:59,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-11-09 09:40:59,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945078127] [2021-11-09 09:40:59,552 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:40:59,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2021-11-09 09:40:59,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223173406] [2021-11-09 09:40:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,561 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:59,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:59,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:40:59,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:40:59,646 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:59,705 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-11-09 09:40:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:40:59,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-11-09 09:40:59,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:59,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 35 transitions. [2021-11-09 09:40:59,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-09 09:40:59,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-09 09:40:59,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2021-11-09 09:40:59,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 09:40:59,709 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-11-09 09:40:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2021-11-09 09:40:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2021-11-09 09:40:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-09 09:40:59,712 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-09 09:40:59,712 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-09 09:40:59,712 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 09:40:59,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-11-09 09:40:59,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:40:59,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:40:59,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:40:59,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:59,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:40:59,714 INFO L791 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 387#L566 assume !(main_~array_size~0 < 1); 383#L566-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;SelectionSort_#in~a.base, SelectionSort_#in~a.offset, SelectionSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc SelectionSort_#t~mem4, SelectionSort_#t~mem5, SelectionSort_#t~pre3, SelectionSort_#t~mem6, SelectionSort_#t~mem7, SelectionSort_#t~pre2, SelectionSort_~j~0, SelectionSort_~min~0, SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset, SelectionSort_~array_size, SelectionSort_~i~0;SelectionSort_~a.base, SelectionSort_~a.offset := SelectionSort_#in~a.base, SelectionSort_#in~a.offset;SelectionSort_~array_size := SelectionSort_#in~array_size;havoc SelectionSort_~i~0;SelectionSort_~i~0 := 0; 384#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 385#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 379#L556 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 380#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 382#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 391#L556 assume !(SelectionSort_#t~mem4 < SelectionSort_#t~mem5);havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5; 392#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 390#L554-3 assume !(SelectionSort_~j~0 < SelectionSort_~array_size); 388#L554-4 call SelectionSort_#t~mem6 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);SelectionSort_~temp~0 := SelectionSort_#t~mem6;havoc SelectionSort_#t~mem6;call SelectionSort_#t~mem7 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4);call write~int(SelectionSort_#t~mem7, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~i~0, 4);havoc SelectionSort_#t~mem7;call write~int(SelectionSort_~temp~0, SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 389#L550-2 SelectionSort_#t~pre2 := 1 + SelectionSort_~i~0;SelectionSort_~i~0 := 1 + SelectionSort_~i~0;havoc SelectionSort_#t~pre2; 386#L550-3 assume !!(SelectionSort_~i~0 < SelectionSort_~array_size - 1);havoc SelectionSort_~j~0;havoc SelectionSort_~min~0;havoc SelectionSort_~temp~0;SelectionSort_~min~0 := SelectionSort_~i~0;SelectionSort_~j~0 := 1 + SelectionSort_~i~0; 381#L554-3 [2021-11-09 09:40:59,714 INFO L793 eck$LassoCheckResult]: Loop: 381#L554-3 assume !!(SelectionSort_~j~0 < SelectionSort_~array_size);call SelectionSort_#t~mem4 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~j~0, 4);call SelectionSort_#t~mem5 := read~int(SelectionSort_~a.base, SelectionSort_~a.offset + 4 * SelectionSort_~min~0, 4); 377#L556 assume SelectionSort_#t~mem4 < SelectionSort_#t~mem5;havoc SelectionSort_#t~mem4;havoc SelectionSort_#t~mem5;SelectionSort_~min~0 := SelectionSort_~j~0; 378#L554-2 SelectionSort_#t~pre3 := 1 + SelectionSort_~j~0;SelectionSort_~j~0 := 1 + SelectionSort_~j~0;havoc SelectionSort_#t~pre3; 381#L554-3 [2021-11-09 09:40:59,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,715 INFO L85 PathProgramCache]: Analyzing trace with hash -366799804, now seen corresponding path program 2 times [2021-11-09 09:40:59,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336172283] [2021-11-09 09:40:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2021-11-09 09:40:59,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753563619] [2021-11-09 09:40:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,766 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:40:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -936135015, now seen corresponding path program 1 times [2021-11-09 09:40:59,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807415096] [2021-11-09 09:40:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,799 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:40:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:40:59,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:41:00,543 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:41:00,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:41:00,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:41:00,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:41:00,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:41:00,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:00,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:41:00,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:41:00,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration6_Lasso [2021-11-09 09:41:00,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:41:00,543 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:41:00,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:00,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:41:01,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:41:01,157 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:41:01,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,160 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 09:41:01,182 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 [2021-11-09 09:41:01,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,233 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 09:41:01,236 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 [2021-11-09 09:41:01,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:41:01,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:41:01,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:41:01,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,271 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 09:41:01,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:41:01,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,344 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,350 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 [2021-11-09 09:41:01,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:41:01,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:41:01,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:41:01,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 09:41:01,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,413 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 09:41:01,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:41:01,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:41:01,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:41:01,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:41:01,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,449 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 09:41:01,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:41:01,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,547 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 09:41:01,554 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 [2021-11-09 09:41:01,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,626 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,636 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 [2021-11-09 09:41:01,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 09:41:01,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,706 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,713 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 [2021-11-09 09:41:01,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:41:01,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:41:01,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:41:01,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 09:41:01,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:41:01,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,760 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 09:41:01,764 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 [2021-11-09 09:41:01,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:41:01,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:41:01,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:41:01,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:41:01,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:41:01,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:41:01,800 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:41:01,853 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-11-09 09:41:01,853 INFO L444 ModelExtractionUtils]: 17 out of 37 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-09 09:41:01,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:41:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:01,857 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:41:01,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:41:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 09:41:01,886 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-09 09:41:01,886 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:41:01,886 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~j~0, v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3) = -2*ULTIMATE.start_SelectionSort_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3 Supporting invariants [-2*ULTIMATE.start_SelectionSort_~array_size + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3 >= 0] [2021-11-09 09:41:01,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:01,931 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-09 09:41:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:02,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-09 09:41:02,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:02,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:02,090 INFO L388 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 12 treesize of output 11 [2021-11-09 09:41:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:02,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:41:02,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:02,431 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-11-09 09:41:02,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:02,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 8 states. [2021-11-09 09:41:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 09:41:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-11-09 09:41:02,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 09:41:02,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:41:02,515 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 09:41:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:02,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-09 09:41:02,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:02,590 INFO L388 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 12 treesize of output 11 [2021-11-09 09:41:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:02,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:41:02,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:02,926 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2021-11-09 09:41:02,926 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:02,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 8 states. [2021-11-09 09:41:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 09:41:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-11-09 09:41:02,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 09:41:02,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:41:02,981 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 09:41:03,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:03,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-09 09:41:03,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:03,058 INFO L388 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 12 treesize of output 11 [2021-11-09 09:41:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:03,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:41:03,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:03,401 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-11-09 09:41:03,401 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:03,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 14 states. [2021-11-09 09:41:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 09:41:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 32 transitions. [2021-11-09 09:41:03,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32 transitions. Stem has 15 letters. Loop has 3 letters. [2021-11-09 09:41:03,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:41:03,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32 transitions. Stem has 18 letters. Loop has 3 letters. [2021-11-09 09:41:03,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:41:03,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 32 transitions. Stem has 15 letters. Loop has 6 letters. [2021-11-09 09:41:03,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:41:03,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2021-11-09 09:41:03,623 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:41:03,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-11-09 09:41:03,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:41:03,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:41:03,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:41:03,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:41:03,624 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:41:03,624 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:41:03,624 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:41:03,624 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-09 09:41:03,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:41:03,624 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:41:03,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:41:03,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:41:03 BoogieIcfgContainer [2021-11-09 09:41:03,631 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:41:03,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:41:03,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:41:03,632 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:41:03,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:54" (3/4) ... [2021-11-09 09:41:03,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:41:03,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:41:03,637 INFO L168 Benchmark]: Toolchain (without parser) took 10665.30 ms. Allocated memory was 115.3 MB in the beginning and 148.9 MB in the end (delta: 33.6 MB). Free memory was 78.0 MB in the beginning and 94.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:03,637 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 115.3 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:41:03,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.52 ms. Allocated memory is still 115.3 MB. Free memory was 77.8 MB in the beginning and 84.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:03,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.40 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 82.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:03,639 INFO L168 Benchmark]: Boogie Preprocessor took 63.12 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.5 MB in the end (delta: 948.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:41:03,639 INFO L168 Benchmark]: RCFGBuilder took 369.06 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 71.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:03,640 INFO L168 Benchmark]: BuchiAutomizer took 9484.03 ms. Allocated memory was 115.3 MB in the beginning and 148.9 MB in the end (delta: 33.6 MB). Free memory was 71.5 MB in the beginning and 94.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:03,640 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 148.9 MB. Free memory is still 94.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:41:03,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 115.3 MB. Free memory is still 95.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.52 ms. Allocated memory is still 115.3 MB. Free memory was 77.8 MB in the beginning and 84.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.40 ms. Allocated memory is still 115.3 MB. Free memory was 84.6 MB in the beginning and 82.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.12 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 81.5 MB in the end (delta: 948.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 369.06 ms. Allocated memory is still 115.3 MB. Free memory was 81.5 MB in the beginning and 71.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9484.03 ms. Allocated memory was 115.3 MB in the beginning and 148.9 MB in the end (delta: 33.6 MB). Free memory was 71.5 MB in the beginning and 94.7 MB in the end (delta: -23.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 148.9 MB. Free memory is still 94.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4 * i + -1 * a + 2 * unknown-#length-unknown[a] and consists of 4 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[a] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] + -2 * j and consists of 9 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.4s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 6.8s. Construction of modules took 0.2s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 72 SDtfs, 96 SDslu, 69 SDs, 0 SdLazy, 144 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax109 hnf99 lsp87 ukn76 mio100 lsp68 div100 bol100 ite100 ukn100 eq170 hnf91 smp96 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 09:41:03,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:03,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29b4b606-6bea-4dd9-b23a-e4f5a6366275/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE