./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:47:32,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:47:32,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:47:32,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:47:32,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:47:32,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:47:32,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:47:32,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:47:32,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:47:32,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:47:32,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:47:32,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:47:32,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:47:32,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:47:32,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:47:32,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:47:32,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:47:32,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:47:32,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:47:32,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:47:32,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:47:32,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:47:32,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:47:32,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:47:32,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:47:32,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:47:32,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:47:32,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:47:32,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:47:32,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:47:32,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:47:32,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:47:32,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:47:32,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:47:32,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:47:32,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:47:32,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:47:32,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:47:32,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:47:32,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:47:32,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:47:32,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:47:32,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:47:32,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:47:32,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:47:32,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:47:32,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:47:32,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:47:32,168 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:47:32,168 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:47:32,169 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:47:32,169 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:47:32,169 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:47:32,169 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:47:32,169 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:47:32,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:47:32,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:47:32,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:47:32,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:47:32,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:47:32,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:47:32,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:47:32,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:47:32,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:47:32,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:47:32,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:47:32,172 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:47:32,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:47:32,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:47:32,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:47:32,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:47:32,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:47:32,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:47:32,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:47:32,174 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:47:32,174 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_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2021-11-07 07:47:32,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:47:32,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:47:32,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:47:32,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:47:32,465 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:47:32,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-11-07 07:47:32,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/data/aea7c3c26/513fa5944d224034a06e1e7b7672057e/FLAGfedcc475a [2021-11-07 07:47:33,268 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:47:33,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-11-07 07:47:33,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/data/aea7c3c26/513fa5944d224034a06e1e7b7672057e/FLAGfedcc475a [2021-11-07 07:47:33,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/data/aea7c3c26/513fa5944d224034a06e1e7b7672057e [2021-11-07 07:47:33,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:47:33,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:47:33,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:47:33,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:47:33,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:47:33,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:47:33" (1/1) ... [2021-11-07 07:47:33,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b5ad07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:33, skipping insertion in model container [2021-11-07 07:47:33,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:47:33" (1/1) ... [2021-11-07 07:47:33,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:47:33,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:47:33,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:47:33,964 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:47:34,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:47:34,078 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:47:34,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34 WrapperNode [2021-11-07 07:47:34,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:47:34,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:47:34,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:47:34,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:47:34,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:47:34,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:47:34,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:47:34,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:47:34,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:47:34,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:47:34,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:47:34,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:47:34,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (1/1) ... [2021-11-07 07:47:34,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:34,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:34,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:34,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:47:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 07:47:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 07:47:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:47:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 07:47:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:47:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:47:34,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:47:34,507 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 07:47:34,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:47:34 BoogieIcfgContainer [2021-11-07 07:47:34,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:47:34,525 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:47:34,525 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:47:34,538 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:47:34,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:47:34,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:47:33" (1/3) ... [2021-11-07 07:47:34,551 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@198b8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:47:34, skipping insertion in model container [2021-11-07 07:47:34,551 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:47:34,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:47:34" (2/3) ... [2021-11-07 07:47:34,552 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@198b8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:47:34, skipping insertion in model container [2021-11-07 07:47:34,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:47:34,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:47:34" (3/3) ... [2021-11-07 07:47:34,554 INFO L389 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2021-11-07 07:47:34,602 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:47:34,602 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:47:34,602 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:47:34,602 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:47:34,602 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:47:34,603 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:47:34,603 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:47:34,603 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:47:34,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:34,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-07 07:47:34,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:34,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:34,650 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 07:47:34,650 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:47:34,651 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:47:34,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:34,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-07 07:47:34,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:34,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:34,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 07:47:34,655 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 07:47:34,662 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L527true assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 13#L527-2true 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;main_~k~0 := 0; 16#L532-3true [2021-11-07 07:47:34,663 INFO L793 eck$LassoCheckResult]: Loop: 16#L532-3true assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 5#L532-2true main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 16#L532-3true [2021-11-07 07:47:34,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:34,672 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-07 07:47:34,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:34,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865898063] [2021-11-07 07:47:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:34,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:34,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-11-07 07:47:34,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:34,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331596491] [2021-11-07 07:47:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:34,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,867 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:34,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-11-07 07:47:34,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:34,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561519705] [2021-11-07 07:47:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:34,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,908 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:34,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:35,426 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:47:35,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:47:35,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:47:35,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:47:35,428 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:47:35,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:35,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:47:35,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:47:35,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2021-11-07 07:47:35,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:47:35,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:47:35,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:35,953 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:47:35,967 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:47:35,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:35,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:35,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:35,975 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 [2021-11-07 07:47:35,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 07:47:35,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:35,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:35,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:35,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:35,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:35,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:35,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:36,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 07:47:36,036 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 [2021-11-07 07:47:36,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:36,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:36,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:36,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,116 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 [2021-11-07 07:47:36,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 07:47:36,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,178 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,184 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 [2021-11-07 07:47:36,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 07:47:36,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,252 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 [2021-11-07 07:47:36,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:36,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:36,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:36,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 07:47:36,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,321 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 [2021-11-07 07:47:36,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 07:47:36,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 07:47:36,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:47:36,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 07:47:36,450 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 [2021-11-07 07:47:36,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:36,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:36,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:36,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,493 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 07:47:36,495 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 [2021-11-07 07:47:36,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:36,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:36,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:36,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 07:47:36,529 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 [2021-11-07 07:47:36,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,601 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 07:47:36,603 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 [2021-11-07 07:47:36,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,669 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 07:47:36,676 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 [2021-11-07 07:47:36,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:36,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:36,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,736 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 07:47:36,737 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 [2021-11-07 07:47:36,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:36,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:36,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:36,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:36,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:36,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:36,771 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:47:36,816 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-07 07:47:36,817 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-11-07 07:47:36,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:36,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:36,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 07:47:36,889 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:47:36,911 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 07:47:36,911 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:47:36,912 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~numbers~0.offset, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~numbers~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [] [2021-11-07 07:47:36,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:37,005 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-07 07:47:37,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:37,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:47:37,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:37,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 07:47:37,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:37,150 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:47:37,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:37,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 56 transitions. Complement of second has 7 states. [2021-11-07 07:47:37,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-07 07:47:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-11-07 07:47:37,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-07 07:47:37,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:37,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-07 07:47:37,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:37,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-07 07:47:37,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:37,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 56 transitions. [2021-11-07 07:47:37,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 07:47:37,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 13 states and 18 transitions. [2021-11-07 07:47:37,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:37,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-07 07:47:37,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2021-11-07 07:47:37,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:47:37,228 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-11-07 07:47:37,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2021-11-07 07:47:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 07:47:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-11-07 07:47:37,257 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-11-07 07:47:37,257 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-11-07 07:47:37,257 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:47:37,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-11-07 07:47:37,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 07:47:37,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:37,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:37,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:47:37,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:37,259 INFO L791 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 114#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 111#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 112#L527-2 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;main_~k~0 := 0; 115#L532-3 assume !(main_~k~0 < main_~array_size~0); 118#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 119#L515-3 [2021-11-07 07:47:37,259 INFO L793 eck$LassoCheckResult]: Loop: 119#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 120#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 121#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 119#L515-3 [2021-11-07 07:47:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:37,260 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-11-07 07:47:37,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:37,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978924134] [2021-11-07 07:47:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:37,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:37,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:37,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978924134] [2021-11-07 07:47:37,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978924134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:47:37,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:47:37,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 07:47:37,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185055054] [2021-11-07 07:47:37,331 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 07:47:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2021-11-07 07:47:37,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:37,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589808282] [2021-11-07 07:47:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:37,338 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:37,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:37,393 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:47:37,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:47:37,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:47:37,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:47:37,394 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 07:47:37,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:47:37,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:47:37,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-11-07 07:47:37,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:47:37,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:47:37,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,511 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:47:37,512 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 07:47:37,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,516 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:47:37,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:47:37,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 07:47:37,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:47:37,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:47:37,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:37,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,595 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 07:47:37,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:47:37,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:47:37,638 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:47:37,638 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:47:37,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-07 07:47:37,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,668 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 07:47:37,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:47:37,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:47:37,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 07:47:37,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 07:47:37,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:37,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,706 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 07:47:37,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:47:37,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 07:47:37,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-11-07 07:47:37,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,748 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 07:47:37,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 07:47:37,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 07:47:37,816 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 07:47:37,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:37,823 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:47:37,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:47:37,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:47:37,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:47:37,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:47:37,824 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,824 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:47:37,824 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:47:37,824 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2021-11-07 07:47:37,824 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:47:37,824 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:47:37,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:37,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:47:37,914 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:47:37,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:37,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:37,915 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:37,934 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 [2021-11-07 07:47:37,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:37,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:37,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:37,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:37,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:37,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:37,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:37,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 07:47:37,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:38,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:38,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:38,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:38,024 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:38,030 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 [2021-11-07 07:47:38,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:38,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:38,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:38,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:38,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:38,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:38,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 07:47:38,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:38,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:38,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:38,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:38,096 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:38,099 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 [2021-11-07 07:47:38,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:38,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:38,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:38,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:38,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:38,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:38,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:38,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 07:47:38,124 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:47:38,128 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-07 07:47:38,128 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-07 07:47:38,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:38,130 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:38,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:47:38,132 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-07 07:47:38,132 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:47:38,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0) = 2*ULTIMATE.start_bubbleSort_~i~0 + 1 Supporting invariants [] [2021-11-07 07:47:38,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 07:47:38,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:38,168 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-07 07:47:38,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:38,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:47:38,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:38,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 07:47:38,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:38,291 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 07:47:38,291 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:38,319 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 28 transitions. Complement of second has 4 states. [2021-11-07 07:47:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 07:47:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:38,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2021-11-07 07:47:38,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-07 07:47:38,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:38,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2021-11-07 07:47:38,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:38,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2021-11-07 07:47:38,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:38,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2021-11-07 07:47:38,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:38,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2021-11-07 07:47:38,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:38,332 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-07 07:47:38,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-11-07 07:47:38,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:38,333 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-11-07 07:47:38,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-11-07 07:47:38,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-11-07 07:47:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-11-07 07:47:38,338 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-11-07 07:47:38,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:38,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 07:47:38,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 07:47:38,344 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:38,371 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-11-07 07:47:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 07:47:38,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2021-11-07 07:47:38,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:38,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2021-11-07 07:47:38,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:38,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:38,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-11-07 07:47:38,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:38,379 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-07 07:47:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-11-07 07:47:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-11-07 07:47:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-11-07 07:47:38,384 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-11-07 07:47:38,384 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-11-07 07:47:38,384 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 07:47:38,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-11-07 07:47:38,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:38,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:38,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:38,388 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:38,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:38,389 INFO L791 eck$LassoCheckResult]: Stem: 227#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 228#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 225#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 226#L527-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~k~0 := 0; 229#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 230#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 231#L532-3 assume !(main_~k~0 < main_~array_size~0); 232#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 233#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 234#L516-3 [2021-11-07 07:47:38,390 INFO L793 eck$LassoCheckResult]: Loop: 234#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 235#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 240#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 234#L516-3 [2021-11-07 07:47:38,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:38,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-11-07 07:47:38,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:38,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804692753] [2021-11-07 07:47:38,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:38,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:38,444 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:38,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:38,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:38,479 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2021-11-07 07:47:38,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:38,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477958369] [2021-11-07 07:47:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:38,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:38,493 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:38,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:38,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:38,517 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2021-11-07 07:47:38,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:38,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912409409] [2021-11-07 07:47:38,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:38,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:38,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:38,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912409409] [2021-11-07 07:47:38,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912409409] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:38,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898749969] [2021-11-07 07:47:38,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:38,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:47:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:38,637 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:47:38,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 07:47:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:38,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 07:47:38,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:38,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898749969] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:38,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 07:47:38,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-07 07:47:38,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226004869] [2021-11-07 07:47:38,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:38,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 07:47:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 07:47:38,900 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:39,030 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2021-11-07 07:47:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 07:47:39,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2021-11-07 07:47:39,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:39,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-11-07 07:47:39,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:39,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:39,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-11-07 07:47:39,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:39,032 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-07 07:47:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-11-07 07:47:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-07 07:47:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-07 07:47:39,035 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-07 07:47:39,035 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-07 07:47:39,035 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-07 07:47:39,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-11-07 07:47:39,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:39,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:39,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:39,038 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:39,038 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:39,039 INFO L791 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 333#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 330#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 331#L527-2 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;main_~k~0 := 0; 334#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 335#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 336#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 347#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 348#L532-3 assume !(main_~k~0 < main_~array_size~0); 337#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 338#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 339#L516-3 [2021-11-07 07:47:39,039 INFO L793 eck$LassoCheckResult]: Loop: 339#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 340#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 345#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 339#L516-3 [2021-11-07 07:47:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2021-11-07 07:47:39,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:39,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435337881] [2021-11-07 07:47:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:39,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,084 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:39,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:39,116 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2021-11-07 07:47:39,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:39,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128241343] [2021-11-07 07:47:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:39,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,132 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:39,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:39,152 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2021-11-07 07:47:39,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:39,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908116638] [2021-11-07 07:47:39,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:39,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:39,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:39,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:39,834 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:47:39,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:47:39,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:47:39,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:47:39,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:47:39,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:39,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:47:39,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:47:39,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2021-11-07 07:47:39,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:47:39,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:47:39,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:39,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:40,420 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 07:47:40,420 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 07:47:40,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,421 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,423 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 [2021-11-07 07:47:40,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 07:47:40,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,488 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,490 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 [2021-11-07 07:47:40,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:40,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:40,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 07:47:40,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,557 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,561 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 [2021-11-07 07:47:40,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 07:47:40,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,609 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 07:47:40,611 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 [2021-11-07 07:47:40,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:40,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:40,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-07 07:47:40,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,655 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 07:47:40,656 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 [2021-11-07 07:47:40,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:40,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:40,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-07 07:47:40,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,723 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,725 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 [2021-11-07 07:47:40,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 07:47:40,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,777 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,778 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 [2021-11-07 07:47:40,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 07:47:40,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,808 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 07:47:40,809 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 [2021-11-07 07:47:40,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:40,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:40,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,865 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 07:47:40,867 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 [2021-11-07 07:47:40,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-07 07:47:40,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,909 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 07:47:40,911 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 [2021-11-07 07:47:40,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:40,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,950 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:40,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:47:40,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 07:47:40,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:40,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:40,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:40,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:40,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:40,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:40,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:40,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:40,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-07 07:47:40,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:40,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:40,998 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 07:47:41,006 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 [2021-11-07 07:47:41,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-07 07:47:41,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,065 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 07:47:41,067 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 [2021-11-07 07:47:41,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:41,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:41,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:41,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-07 07:47:41,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,096 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,111 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 [2021-11-07 07:47:41,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:41,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:41,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 07:47:41,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:41,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,176 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,182 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 [2021-11-07 07:47:41,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:41,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:41,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:41,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 07:47:41,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-07 07:47:41,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,236 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 07:47:41,237 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 [2021-11-07 07:47:41,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:41,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,318 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 07:47:41,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 07:47:41,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 07:47:41,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 07:47:41,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 07:47:41,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:41,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,393 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,401 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 [2021-11-07 07:47:41,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 07:47:41,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:41,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,442 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 07:47:41,445 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 [2021-11-07 07:47:41,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-07 07:47:41,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,476 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 07:47:41,478 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 [2021-11-07 07:47:41,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 07:47:41,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:41,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,545 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-07 07:47:41,549 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 [2021-11-07 07:47:41,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 07:47:41,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 07:47:41,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 07:47:41,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 07:47:41,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 07:47:41,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 07:47:41,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 07:47:41,677 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-11-07 07:47:41,677 INFO L444 ModelExtractionUtils]: 6 out of 40 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-11-07 07:47:41,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,679 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:47:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-07 07:47:41,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 07:47:41,701 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 07:47:41,701 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 07:47:41,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers.offset, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2, ULTIMATE.start_bubbleSort_~j~0) = -1*ULTIMATE.start_bubbleSort_~numbers.offset + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_2 - 4*ULTIMATE.start_bubbleSort_~j~0 Supporting invariants [] [2021-11-07 07:47:41,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-07 07:47:41,740 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2021-11-07 07:47:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:41,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 07:47:41,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:41,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 07:47:41,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:41,870 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 [2021-11-07 07:47:41,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-07 07:47:41,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 8 states. [2021-11-07 07:47:41,907 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 [2021-11-07 07:47:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-07 07:47:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-11-07 07:47:41,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-11-07 07:47:41,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:41,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-07 07:47:41,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:41,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-11-07 07:47:41,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 07:47:41,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-11-07 07:47:41,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:41,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2021-11-07 07:47:41,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:41,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:41,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2021-11-07 07:47:41,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:41,911 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-11-07 07:47:41,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2021-11-07 07:47:41,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2021-11-07 07:47:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-11-07 07:47:41,913 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-11-07 07:47:41,913 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-11-07 07:47:41,913 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-07 07:47:41,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-11-07 07:47:41,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:41,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:41,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:41,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:41,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:41,915 INFO L791 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 483#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 480#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 481#L527-2 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;main_~k~0 := 0; 484#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 485#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 486#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 497#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 498#L532-3 assume !(main_~k~0 < main_~array_size~0); 487#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 488#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 491#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 492#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 494#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 489#L516-3 [2021-11-07 07:47:41,915 INFO L793 eck$LassoCheckResult]: Loop: 489#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 490#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 495#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 489#L516-3 [2021-11-07 07:47:41,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:41,915 INFO L85 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2021-11-07 07:47:41,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:41,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414479256] [2021-11-07 07:47:41,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:41,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:41,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:41,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414479256] [2021-11-07 07:47:41,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414479256] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:41,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101914930] [2021-11-07 07:47:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:41,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:47:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:41,992 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:47:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-11-07 07:47:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:42,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 07:47:42,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:42,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101914930] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:42,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 07:47:42,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-07 07:47:42,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220962921] [2021-11-07 07:47:42,161 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 07:47:42,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:42,162 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2021-11-07 07:47:42,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:42,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693238168] [2021-11-07 07:47:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,171 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:42,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 07:47:42,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 07:47:42,283 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:42,385 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-11-07 07:47:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 07:47:42,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-11-07 07:47:42,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:42,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-11-07 07:47:42,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:42,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:42,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-11-07 07:47:42,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:42,387 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-11-07 07:47:42,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-11-07 07:47:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-11-07 07:47:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-07 07:47:42,390 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-07 07:47:42,390 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-07 07:47:42,390 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-07 07:47:42,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-11-07 07:47:42,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:42,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:42,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:42,392 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:42,392 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:42,392 INFO L791 eck$LassoCheckResult]: Stem: 586#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 587#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 584#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 585#L527-2 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;main_~k~0 := 0; 588#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 589#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 590#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 602#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 603#L532-3 assume !(main_~k~0 < main_~array_size~0); 591#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 592#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 595#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 596#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 601#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 599#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 597#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 598#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 593#L516-3 [2021-11-07 07:47:42,392 INFO L793 eck$LassoCheckResult]: Loop: 593#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 594#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 600#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 593#L516-3 [2021-11-07 07:47:42,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2021-11-07 07:47:42,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:42,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023391547] [2021-11-07 07:47:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,405 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:42,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:42,419 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2021-11-07 07:47:42,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:42,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772522223] [2021-11-07 07:47:42,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,424 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:42,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:42,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:42,429 INFO L85 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2021-11-07 07:47:42,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:42,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516376036] [2021-11-07 07:47:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 07:47:42,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:42,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516376036] [2021-11-07 07:47:42,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516376036] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:42,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644980143] [2021-11-07 07:47:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:47:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:42,500 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:47:42,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-11-07 07:47:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:42,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 07:47:42,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:42,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 07:47:42,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644980143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:42,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 07:47:42,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 07:47:42,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586760868] [2021-11-07 07:47:42,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:42,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 07:47:42,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-07 07:47:42,808 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:42,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:42,908 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2021-11-07 07:47:42,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 07:47:42,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2021-11-07 07:47:42,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:42,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2021-11-07 07:47:42,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:42,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:42,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-07 07:47:42,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:42,911 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-07 07:47:42,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-07 07:47:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-07 07:47:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-07 07:47:42,913 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-07 07:47:42,913 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-07 07:47:42,914 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-07 07:47:42,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-07 07:47:42,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:42,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:42,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:42,915 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:42,915 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:42,915 INFO L791 eck$LassoCheckResult]: Stem: 722#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 723#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 720#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 721#L527-2 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;main_~k~0 := 0; 724#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 738#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 739#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 725#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 726#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 741#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 740#L532-3 assume !(main_~k~0 < main_~array_size~0); 727#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 728#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 731#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 732#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 737#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 735#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 733#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 734#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 729#L516-3 [2021-11-07 07:47:42,915 INFO L793 eck$LassoCheckResult]: Loop: 729#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 730#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 736#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 729#L516-3 [2021-11-07 07:47:42,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2021-11-07 07:47:42,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:42,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186596664] [2021-11-07 07:47:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:42,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:43,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:43,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186596664] [2021-11-07 07:47:43,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186596664] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:43,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93893060] [2021-11-07 07:47:43,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:47:43,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:47:43,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:43,025 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:47:43,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-11-07 07:47:43,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 07:47:43,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 07:47:43,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 07:47:43,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:47:43,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93893060] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:43,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 07:47:43,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-07 07:47:43,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062576475] [2021-11-07 07:47:43,244 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 07:47:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2021-11-07 07:47:43,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:43,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183907838] [2021-11-07 07:47:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:43,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,249 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:43,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:43,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 07:47:43,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-07 07:47:43,353 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:43,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:43,532 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-11-07 07:47:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 07:47:43,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-11-07 07:47:43,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:43,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2021-11-07 07:47:43,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 07:47:43,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 07:47:43,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-11-07 07:47:43,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:43,535 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-11-07 07:47:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-11-07 07:47:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-11-07 07:47:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-11-07 07:47:43,537 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-07 07:47:43,537 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-07 07:47:43,537 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-07 07:47:43,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-11-07 07:47:43,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:43,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:43,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:43,539 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:43,539 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:43,539 INFO L791 eck$LassoCheckResult]: Stem: 859#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 860#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 857#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 858#L527-2 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;main_~k~0 := 0; 861#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 862#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 863#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 876#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 880#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 879#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 878#L532-3 assume !(main_~k~0 < main_~array_size~0); 864#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 865#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 872#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 881#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 875#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 868#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 869#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 877#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 873#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 870#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 871#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 866#L516-3 [2021-11-07 07:47:43,539 INFO L793 eck$LassoCheckResult]: Loop: 866#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 867#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 874#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 866#L516-3 [2021-11-07 07:47:43,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:43,540 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2021-11-07 07:47:43,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:43,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665035299] [2021-11-07 07:47:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:43,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,557 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:43,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2021-11-07 07:47:43,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:43,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349479730] [2021-11-07 07:47:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:43,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,582 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:43,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:43,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2021-11-07 07:47:43,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:43,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571328772] [2021-11-07 07:47:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:43,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:47:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 07:47:43,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:47:43,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571328772] [2021-11-07 07:47:43,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571328772] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:43,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675992191] [2021-11-07 07:47:43,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 07:47:43,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:47:43,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:47:43,829 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:47:43,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-07 07:47:43,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 07:47:43,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 07:47:43,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 07:47:43,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:47:44,125 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 07:47:44,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2021-11-07 07:47:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 07:47:44,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675992191] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:47:44,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 07:47:44,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 13 [2021-11-07 07:47:44,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891781004] [2021-11-07 07:47:44,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:47:44,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 07:47:44,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-07 07:47:44,243 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2021-11-07 07:47:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:47:44,427 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-11-07 07:47:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 07:47:44,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-11-07 07:47:44,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-07 07:47:44,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-11-07 07:47:44,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-07 07:47:44,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-07 07:47:44,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-11-07 07:47:44,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 07:47:44,431 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-11-07 07:47:44,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-11-07 07:47:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2021-11-07 07:47:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:47:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2021-11-07 07:47:44,434 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-11-07 07:47:44,434 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-11-07 07:47:44,434 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-07 07:47:44,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2021-11-07 07:47:44,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 07:47:44,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:47:44,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:47:44,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:47:44,437 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 07:47:44,437 INFO L791 eck$LassoCheckResult]: Stem: 1033#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1034#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~k~0, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 1031#L527 assume !(main_~array_size~0 < 1 || main_~array_size~0 % 4294967296 >= 536870911); 1032#L527-2 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;main_~k~0 := 0; 1035#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1051#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1052#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1036#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1037#L532-3 assume !!(main_~k~0 < main_~array_size~0);call write~int(main_#t~nondet11, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet11; 1056#L532-2 main_#t~post10 := main_~k~0;main_~k~0 := 1 + main_#t~post10;havoc main_#t~post10; 1055#L532-3 assume !(main_~k~0 < main_~array_size~0); 1038#L532-4 bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset, bubbleSort_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc bubbleSort_#t~mem4, bubbleSort_#t~mem5, bubbleSort_#t~mem6, bubbleSort_#t~mem7, bubbleSort_#t~post3, bubbleSort_#t~post2, bubbleSort_~numbers.base, bubbleSort_~numbers.offset, bubbleSort_~array_size, bubbleSort_~i~0, bubbleSort_~j~0, bubbleSort_~temp~0;bubbleSort_~numbers.base, bubbleSort_~numbers.offset := bubbleSort_#in~numbers.base, bubbleSort_#in~numbers.offset;bubbleSort_~array_size := bubbleSort_#in~array_size;havoc bubbleSort_~i~0;havoc bubbleSort_~j~0;havoc bubbleSort_~temp~0;bubbleSort_~i~0 := bubbleSort_~array_size - 1; 1039#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 1042#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1043#L517 assume !(bubbleSort_#t~mem4 > bubbleSort_#t~mem5);havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5; 1065#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1066#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1063#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1061#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1062#L516-3 assume !(bubbleSort_~j~0 <= bubbleSort_~i~0); 1059#L515-2 bubbleSort_#t~post2 := bubbleSort_~i~0;bubbleSort_~i~0 := bubbleSort_#t~post2 - 1;havoc bubbleSort_#t~post2; 1044#L515-3 assume !!(bubbleSort_~i~0 >= 0);bubbleSort_~j~0 := 1; 1040#L516-3 [2021-11-07 07:47:44,437 INFO L793 eck$LassoCheckResult]: Loop: 1040#L516-3 assume !!(bubbleSort_~j~0 <= bubbleSort_~i~0);call bubbleSort_#t~mem4 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);call bubbleSort_#t~mem5 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1041#L517 assume bubbleSort_#t~mem4 > bubbleSort_#t~mem5;havoc bubbleSort_#t~mem4;havoc bubbleSort_#t~mem5;call bubbleSort_#t~mem6 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);bubbleSort_~temp~0 := bubbleSort_#t~mem6;havoc bubbleSort_#t~mem6;call bubbleSort_#t~mem7 := read~int(bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4);call write~int(bubbleSort_#t~mem7, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * (bubbleSort_~j~0 - 1), 4);havoc bubbleSort_#t~mem7;call write~int(bubbleSort_~temp~0, bubbleSort_~numbers.base, bubbleSort_~numbers.offset + 4 * bubbleSort_~j~0, 4); 1048#L516-2 bubbleSort_#t~post3 := bubbleSort_~j~0;bubbleSort_~j~0 := 1 + bubbleSort_#t~post3;havoc bubbleSort_#t~post3; 1040#L516-3 [2021-11-07 07:47:44,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:44,438 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2021-11-07 07:47:44,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:44,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864907776] [2021-11-07 07:47:44,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:44,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,453 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:44,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2021-11-07 07:47:44,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:44,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147742676] [2021-11-07 07:47:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:44,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,476 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:47:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2021-11-07 07:47:44,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:47:44,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959147471] [2021-11-07 07:47:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:47:44,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:47:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:47:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:47:44,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:47:45,778 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 07:47:45,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 07:47:45,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 07:47:45,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 07:47:45,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 07:47:45,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:47:45,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 07:47:45,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 07:47:45,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration9_Lasso [2021-11-07 07:47:45,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 07:47:45,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 07:47:45,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:45,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:45,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:45,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 07:47:45,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 07:47:45,829 INFO L168 Benchmark]: Toolchain (without parser) took 12269.63 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 82.9 MB in the beginning and 51.2 MB in the end (delta: 31.7 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:47:45,829 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:47:45,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.40 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 87.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:47:45,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.63 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 85.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:47:45,830 INFO L168 Benchmark]: Boogie Preprocessor took 31.99 ms. Allocated memory is still 117.4 MB. Free memory was 85.7 MB in the beginning and 84.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:47:45,830 INFO L168 Benchmark]: RCFGBuilder took 363.15 ms. Allocated memory is still 117.4 MB. Free memory was 84.4 MB in the beginning and 74.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:47:45,831 INFO L168 Benchmark]: BuchiAutomizer took 11302.82 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 74.3 MB in the beginning and 51.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:47:45,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 83.9 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 521.40 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 87.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.63 ms. Allocated memory is still 117.4 MB. Free memory was 87.7 MB in the beginning and 85.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.99 ms. Allocated memory is still 117.4 MB. Free memory was 85.7 MB in the beginning and 84.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 363.15 ms. Allocated memory is still 117.4 MB. Free memory was 84.4 MB in the beginning and 74.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11302.82 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 74.3 MB in the beginning and 51.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-07 07:47:45,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-11-07 07:47:46,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-11-07 07:47:46,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-11-07 07:47:46,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-11-07 07:47:46,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-11-07 07:47:46,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5bc388-1c03-483d-a3ab-92eb2c53986b/bin/uautomizer-AkOaLMaTGY/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int)