./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:41:23,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:41:23,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:41:23,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:41:23,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:41:23,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:41:23,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:41:23,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:41:23,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:41:23,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:41:23,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:41:23,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:41:23,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:41:23,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:41:23,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:41:23,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:41:23,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:41:23,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:41:23,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:41:23,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:41:23,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:41:23,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:41:23,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:41:23,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:41:23,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:41:23,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:41:23,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:41:23,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:41:23,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:41:23,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:41:23,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:41:23,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:41:23,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:41:23,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:41:23,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:41:23,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:41:23,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:41:23,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:41:23,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:41:23,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:41:23,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:41:23,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 08:41:23,482 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:41:23,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:41:23,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:41:23,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:41:23,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:41:23,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:41:23,486 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:41:23,486 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:41:23,487 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:41:23,487 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:41:23,488 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:41:23,488 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:41:23,489 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:41:23,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:41:23,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:41:23,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:41:23,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:41:23,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:41:23,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:41:23,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:41:23,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:41:23,491 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:41:23,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:41:23,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:41:23,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:41:23,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:41:23,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:41:23,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:41:23,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:41:23,495 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:41:23,495 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_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2021-10-28 08:41:23,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:41:23,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:41:23,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:41:23,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:41:23,839 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:41:23,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2021-10-28 08:41:23,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/data/0423270fe/28e5f8d0d869465ea775d39c1d0321e7/FLAG6be38eec5 [2021-10-28 08:41:24,355 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:41:24,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2021-10-28 08:41:24,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/data/0423270fe/28e5f8d0d869465ea775d39c1d0321e7/FLAG6be38eec5 [2021-10-28 08:41:24,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/data/0423270fe/28e5f8d0d869465ea775d39c1d0321e7 [2021-10-28 08:41:24,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:41:24,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:41:24,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:41:24,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:41:24,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:41:24,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:41:24" (1/1) ... [2021-10-28 08:41:24,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bb482e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:24, skipping insertion in model container [2021-10-28 08:41:24,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:41:24" (1/1) ... [2021-10-28 08:41:24,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:41:24,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:41:24,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:41:24,989 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:41:25,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:41:25,038 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:41:25,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25 WrapperNode [2021-10-28 08:41:25,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:41:25,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:41:25,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:41:25,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:41:25,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:41:25,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:41:25,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:41:25,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:41:25,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:41:25,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:41:25,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:41:25,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:41:25,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (1/1) ... [2021-10-28 08:41:25,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:25,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:25,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:25,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:41:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:41:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 08:41:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2021-10-28 08:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2021-10-28 08:41:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:41:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:41:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:41:25,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:41:25,458 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 08:41:25,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:25 BoogieIcfgContainer [2021-10-28 08:41:25,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:41:25,465 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:41:25,465 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:41:25,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:41:25,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:41:25,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:41:24" (1/3) ... [2021-10-28 08:41:25,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d0b165b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:41:25, skipping insertion in model container [2021-10-28 08:41:25,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:41:25,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:25" (2/3) ... [2021-10-28 08:41:25,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d0b165b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:41:25, skipping insertion in model container [2021-10-28 08:41:25,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:41:25,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:25" (3/3) ... [2021-10-28 08:41:25,474 INFO L389 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2021-10-28 08:41:25,518 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:41:25,518 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:41:25,518 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:41:25,518 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:41:25,519 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:41:25,519 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:41:25,519 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:41:25,519 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:41:25,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 08:41:25,564 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 08:41:25,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:25,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:25,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 08:41:25,574 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:41:25,574 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:41:25,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 08:41:25,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-28 08:41:25,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:25,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:25,581 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 08:41:25,581 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:41:25,587 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 18#L28true assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 20#L33-3true [2021-10-28 08:41:25,588 INFO L793 eck$LassoCheckResult]: Loop: 20#L33-3true assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 8#L33-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 20#L33-3true [2021-10-28 08:41:25,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2021-10-28 08:41:25,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:25,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490936142] [2021-10-28 08:41:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:25,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,717 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:25,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:25,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2021-10-28 08:41:25,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:25,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591811722] [2021-10-28 08:41:25,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:25,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,768 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,787 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:25,792 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2021-10-28 08:41:25,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:25,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424938029] [2021-10-28 08:41:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:25,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,830 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:25,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:26,148 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:41:26,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:41:26,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:41:26,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:41:26,150 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:41:26,150 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,150 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:41:26,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:41:26,151 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2021-10-28 08:41:26,151 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:41:26,151 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:41:26,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:26,417 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:41:26,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:41:26,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,433 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 [2021-10-28 08:41:26,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:26,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:26,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:26,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:41:26,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,508 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 [2021-10-28 08:41:26,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:26,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:26,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:26,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:41:26,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:41:26,556 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 [2021-10-28 08:41:26,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:26,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:26,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:26,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:41:26,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:26,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:26,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:26,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,684 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:41:26,694 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 [2021-10-28 08:41:26,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:26,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:26,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:26,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 08:41:26,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:41:26,745 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 [2021-10-28 08:41:26,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:26,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:26,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:26,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:26,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,816 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,827 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 [2021-10-28 08:41:26,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:26,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:26,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:26,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:26,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:26,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:26,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:41:26,862 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:41:26,889 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 08:41:26,889 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 08:41:26,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:26,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:26,902 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:26,908 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:41:26,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:41:26,927 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:41:26,927 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:41:26,927 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 08:41:26,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:26,968 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 08:41:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:27,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:41:27,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:27,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:41:27,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:27,088 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 [2021-10-28 08:41:27,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 08:41:27,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 43 states and 57 transitions. Complement of second has 9 states. [2021-10-28 08:41:27,142 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 [2021-10-28 08:41:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 08:41:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2021-10-28 08:41:27,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 08:41:27,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:27,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 08:41:27,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:27,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 08:41:27,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:27,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-28 08:41:27,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 20 transitions. [2021-10-28 08:41:27,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 08:41:27,159 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:41:27,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-28 08:41:27,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:27,160 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:41:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-28 08:41:27,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-28 08:41:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-10-28 08:41:27,186 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:41:27,186 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-28 08:41:27,186 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:41:27,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-10-28 08:41:27,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:27,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:27,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:41:27,188 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 08:41:27,188 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 113#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 121#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 126#L33-3 assume !(main_~i~0 < main_~n~0); 114#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 115#insertionSortENTRY [2021-10-28 08:41:27,188 INFO L793 eck$LassoCheckResult]: Loop: 115#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 122#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 118#L15-6 assume !true; 123#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 117#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 115#insertionSortENTRY [2021-10-28 08:41:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 1 times [2021-10-28 08:41:27,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353500659] [2021-10-28 08:41:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:27,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:27,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353500659] [2021-10-28 08:41:27,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353500659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:27,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:27,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:41:27,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36564733] [2021-10-28 08:41:27,250 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:41:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 28740467, now seen corresponding path program 1 times [2021-10-28 08:41:27,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111086931] [2021-10-28 08:41:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:27,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:27,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:27,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111086931] [2021-10-28 08:41:27,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111086931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:27,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:27,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:41:27,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824355136] [2021-10-28 08:41:27,283 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:41:27,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:27,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:41:27,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:41:27,291 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:27,299 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-28 08:41:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:41:27,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-28 08:41:27,305 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-10-28 08:41:27,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 08:41:27,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 08:41:27,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:41:27,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-10-28 08:41:27,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:27,311 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 08:41:27,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-10-28 08:41:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-28 08:41:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-10-28 08:41:27,314 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 08:41:27,314 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-28 08:41:27,314 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:41:27,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-10-28 08:41:27,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:27,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:27,315 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 08:41:27,315 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:27,316 INFO L791 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 149#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 157#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 162#L33-3 assume !(main_~i~0 < main_~n~0); 150#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 151#insertionSortENTRY [2021-10-28 08:41:27,316 INFO L793 eck$LassoCheckResult]: Loop: 151#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 158#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 154#L15-6 #t~short4 := ~j~0 > 0; 159#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 160#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 161#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 153#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 151#insertionSortENTRY [2021-10-28 08:41:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,317 INFO L85 PathProgramCache]: Analyzing trace with hash 58279346, now seen corresponding path program 2 times [2021-10-28 08:41:27,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211496693] [2021-10-28 08:41:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:27,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:27,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211496693] [2021-10-28 08:41:27,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211496693] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:27,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:27,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:41:27,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985964400] [2021-10-28 08:41:27,354 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:41:27,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 1 times [2021-10-28 08:41:27,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977622564] [2021-10-28 08:41:27,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:27,371 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:27,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:27,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:27,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:41:27,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:41:27,882 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:27,895 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-10-28 08:41:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:41:27,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-10-28 08:41:27,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 08:41:27,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 08:41:27,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 08:41:27,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-10-28 08:41:27,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:27,906 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 08:41:27,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-10-28 08:41:27,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-28 08:41:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-10-28 08:41:27,909 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 08:41:27,909 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 08:41:27,909 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:41:27,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-10-28 08:41:27,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:27,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:27,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:27,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:27,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:27,912 INFO L791 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 194#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 199#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 192#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 193#L33-3 assume !(main_~i~0 < main_~n~0); 187#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 188#insertionSortENTRY [2021-10-28 08:41:27,912 INFO L793 eck$LassoCheckResult]: Loop: 188#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 195#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 191#L15-6 #t~short4 := ~j~0 > 0; 196#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 197#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 198#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 190#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 188#insertionSortENTRY [2021-10-28 08:41:27,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash 171927092, now seen corresponding path program 1 times [2021-10-28 08:41:27,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822317750] [2021-10-28 08:41:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:27,935 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:27,972 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476522, now seen corresponding path program 2 times [2021-10-28 08:41:27,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:27,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135698001] [2021-10-28 08:41:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:27,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:27,986 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:28,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:28,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:28,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1744506729, now seen corresponding path program 1 times [2021-10-28 08:41:28,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:28,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407844436] [2021-10-28 08:41:28,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:28,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:41:28,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:28,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407844436] [2021-10-28 08:41:28,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407844436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:28,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:28,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:41:28,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901072803] [2021-10-28 08:41:28,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:28,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:41:28,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:41:28,549 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:28,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:28,617 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-10-28 08:41:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:41:28,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-28 08:41:28,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:28,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2021-10-28 08:41:28,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 08:41:28,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 08:41:28,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2021-10-28 08:41:28,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:28,620 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-28 08:41:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2021-10-28 08:41:28,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-10-28 08:41:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-28 08:41:28,622 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 08:41:28,622 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-28 08:41:28,622 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 08:41:28,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-28 08:41:28,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:28,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:28,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:28,623 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:28,623 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:28,624 INFO L791 eck$LassoCheckResult]: Stem: 239#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 240#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 248#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 254#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 246#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 247#L33-3 assume !(main_~i~0 < main_~n~0); 241#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 242#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 255#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 256#L15-6 #t~short4 := ~j~0 > 0; 249#L15-1 assume !#t~short4; 250#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 251#L15-7 [2021-10-28 08:41:28,624 INFO L793 eck$LassoCheckResult]: Loop: 251#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 244#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 252#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 253#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 245#L15-6 #t~short4 := ~j~0 > 0; 258#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 257#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 251#L15-7 [2021-10-28 08:41:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -332541132, now seen corresponding path program 1 times [2021-10-28 08:41:28,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:28,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519778400] [2021-10-28 08:41:28,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:28,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:28,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:28,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:28,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:28,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 3 times [2021-10-28 08:41:28,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:28,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495577313] [2021-10-28 08:41:28,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:28,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:28,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:28,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2143759477, now seen corresponding path program 1 times [2021-10-28 08:41:28,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:28,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390915718] [2021-10-28 08:41:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:28,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:28,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:28,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390915718] [2021-10-28 08:41:28,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390915718] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:41:28,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991242560] [2021-10-28 08:41:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:28,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:41:28,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:28,857 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:41:28,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-28 08:41:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:28,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 08:41:28,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:29,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991242560] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:41:29,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:41:29,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-10-28 08:41:29,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558826435] [2021-10-28 08:41:29,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:29,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 08:41:29,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-10-28 08:41:29,757 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 16 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 3 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:29,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:29,871 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-10-28 08:41:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:41:29,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2021-10-28 08:41:29,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:29,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 23 states and 26 transitions. [2021-10-28 08:41:29,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-28 08:41:29,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 08:41:29,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2021-10-28 08:41:29,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:29,874 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-28 08:41:29,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2021-10-28 08:41:29,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-10-28 08:41:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-10-28 08:41:29,876 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-28 08:41:29,876 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-10-28 08:41:29,876 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 08:41:29,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2021-10-28 08:41:29,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 08:41:29,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:29,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:29,878 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:29,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:29,878 INFO L791 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 384#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 390#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 391#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 392#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 382#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 383#L33-3 assume !(main_~i~0 < main_~n~0); 377#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 378#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 393#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 394#L15-6 #t~short4 := ~j~0 > 0; 387#L15-1 assume !#t~short4; 388#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 389#L15-7 [2021-10-28 08:41:29,878 INFO L793 eck$LassoCheckResult]: Loop: 389#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 380#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 385#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 386#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 381#L15-6 #t~short4 := ~j~0 > 0; 396#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 395#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 389#L15-7 [2021-10-28 08:41:29,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:29,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1063486350, now seen corresponding path program 2 times [2021-10-28 08:41:29,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:29,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368406269] [2021-10-28 08:41:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:29,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:29,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:29,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1094947064, now seen corresponding path program 4 times [2021-10-28 08:41:29,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:29,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122929709] [2021-10-28 08:41:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:29,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:29,952 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:29,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:29,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:29,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1119961463, now seen corresponding path program 2 times [2021-10-28 08:41:29,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:29,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935780178] [2021-10-28 08:41:29,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:29,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:30,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:30,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:31,370 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:41:31,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:41:31,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:41:31,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:41:31,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:41:31,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:31,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:41:31,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:41:31,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2021-10-28 08:41:31,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:41:31,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:41:31,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:31,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:32,382 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:41:32,383 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:41:32,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,389 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 [2021-10-28 08:41:32,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:41:32,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,424 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:41:32,426 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 [2021-10-28 08:41:32,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,473 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:41:32,477 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 [2021-10-28 08:41:32,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:32,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:32,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,521 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:41:32,525 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 [2021-10-28 08:41:32,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,592 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:41:32,607 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 [2021-10-28 08:41:32,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,667 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:41:32,670 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 [2021-10-28 08:41:32,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:41:32,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:32,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,731 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:41:32,759 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 [2021-10-28 08:41:32,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 08:41:32,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,811 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 [2021-10-28 08:41:32,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:41:32,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,848 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,851 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 [2021-10-28 08:41:32,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:41:32,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,888 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:41:32,896 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 [2021-10-28 08:41:32,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:32,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:32,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,928 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:41:32,930 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 [2021-10-28 08:41:32,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:32,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,959 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:41:32,970 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 [2021-10-28 08:41:32,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:32,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:32,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:32,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:32,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:32,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:32,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:32,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:32,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 08:41:32,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:32,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:32,998 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:32,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:41:32,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:33,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:33,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,031 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 08:41:33,033 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 [2021-10-28 08:41:33,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:33,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,062 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:41:33,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:33,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 08:41:33,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,095 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:41:33,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:33,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 08:41:33,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,126 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:41:33,129 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 [2021-10-28 08:41:33,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:33,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,161 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:41:33,163 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 [2021-10-28 08:41:33,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:33,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:33,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:33,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:33,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:33,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,195 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:41:33,197 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 [2021-10-28 08:41:33,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:33,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:33,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:33,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:33,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:33,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:33,247 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:41:33,310 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-10-28 08:41:33,310 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 08:41:33,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:33,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:33,319 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:33,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:41:33,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:41:33,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 08:41:33,333 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:41:33,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~size, insertionSort_~i) = 1*insertionSort_~size - 1*insertionSort_~i Supporting invariants [] [2021-10-28 08:41:33,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:33,373 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 08:41:33,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:33,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:41:33,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:33,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:41:33,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:33,569 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 08:41:33,569 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:33,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 25 transitions. cyclomatic complexity: 5. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 14 states. [2021-10-28 08:41:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 08:41:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-28 08:41:33,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 14 letters. Loop has 7 letters. [2021-10-28 08:41:33,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:33,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 21 letters. Loop has 7 letters. [2021-10-28 08:41:33,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:33,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 14 letters. Loop has 14 letters. [2021-10-28 08:41:33,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:33,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2021-10-28 08:41:33,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:41:33,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 30 states and 36 transitions. [2021-10-28 08:41:33,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 08:41:33,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 08:41:33,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2021-10-28 08:41:33,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:41:33,631 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-10-28 08:41:33,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2021-10-28 08:41:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2021-10-28 08:41:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-10-28 08:41:33,635 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-28 08:41:33,635 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-28 08:41:33,635 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 08:41:33,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-10-28 08:41:33,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:41:33,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:41:33,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:41:33,637 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:33,637 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:41:33,637 INFO L791 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 566#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_~n~0, main_~a~0.base, main_~a~0.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 576#L28 assume !(main_~n~0 < 1);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;havoc main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 587#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 574#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 575#L33-3 assume !!(main_~i~0 < main_~n~0);call write~int(main_#t~nondet10, main_~a~0.base, main_~a~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet10; 588#L33-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 592#L33-3 assume !(main_~i~0 < main_~n~0); 567#L33-4 call insertionSort(0, main_~a~0.base, main_~a~0.offset, main_~n~0);< 568#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 577#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 589#L15-6 #t~short4 := ~j~0 > 0; 580#L15-1 assume !#t~short4; 581#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 584#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 570#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 578#insertionSortENTRY ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 579#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 590#L15-6 #t~short4 := ~j~0 > 0; 591#L15-1 [2021-10-28 08:41:33,637 INFO L793 eck$LassoCheckResult]: Loop: 591#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 586#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 569#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 571#L15-6 #t~short4 := ~j~0 > 0; 591#L15-1 [2021-10-28 08:41:33,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:33,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1647994767, now seen corresponding path program 1 times [2021-10-28 08:41:33,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:33,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060206002] [2021-10-28 08:41:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:33,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,658 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:33,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:33,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 1 times [2021-10-28 08:41:33,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:33,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662322455] [2021-10-28 08:41:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:33,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,694 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,708 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:33,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:33,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1753822804, now seen corresponding path program 1 times [2021-10-28 08:41:33,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:33,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269370500] [2021-10-28 08:41:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:33,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,746 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:41:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:41:33,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:41:34,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:35,357 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:41:35,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:41:35,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:41:35,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:41:35,358 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:41:35,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:35,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:41:35,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:41:35,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration7_Lasso [2021-10-28 08:41:35,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:41:35,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:41:35,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:35,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:41:36,070 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:41:36,070 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:41:36,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,075 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,079 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 [2021-10-28 08:41:36,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:36,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:36,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:41:36,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,139 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,141 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 [2021-10-28 08:41:36,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:36,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:36,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:36,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:41:36,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,198 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:41:36,200 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 [2021-10-28 08:41:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:36,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:36,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:36,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,228 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:41:36,230 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 [2021-10-28 08:41:36,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:36,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:36,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,260 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:41:36,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:41:36,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:36,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:36,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:36,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,306 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:41:36,311 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 [2021-10-28 08:41:36,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:36,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:36,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,369 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,380 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 [2021-10-28 08:41:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:41:36,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:36,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:36,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,417 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:41:36,419 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 [2021-10-28 08:41:36,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:36,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:36,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 08:41:36,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,460 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:41:36,462 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 [2021-10-28 08:41:36,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:41:36,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:41:36,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:41:36,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,492 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:41:36,494 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 [2021-10-28 08:41:36,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:41:36,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:41:36,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:41:36,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:41:36,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,544 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 08:41:36,545 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 [2021-10-28 08:41:36,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:41:36,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:41:36,553 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:41:36,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:41:36,568 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 08:41:36,569 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:41:36,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:41:36,707 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-10-28 08:41:36,707 INFO L444 ModelExtractionUtils]: 32 out of 56 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 08:41:36,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:41:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:36,720 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:36,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 08:41:36,722 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:41:36,732 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 08:41:36,732 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:41:36,733 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~array.offset, insertionSort_~j~0) = 1*insertionSort_~array.offset + 4*insertionSort_~j~0 Supporting invariants [] [2021-10-28 08:41:36,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:36,765 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 08:41:36,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:36,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:41:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:36,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:41:36,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:36,929 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:41:36,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:36,950 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 6 states. [2021-10-28 08:41:36,953 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 [2021-10-28 08:41:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-10-28 08:41:36,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-28 08:41:36,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:36,954 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 08:41:36,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:37,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:41:37,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:37,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:41:37,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:37,121 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:41:37,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:37,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 6 states. [2021-10-28 08:41:37,130 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 [2021-10-28 08:41:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-10-28 08:41:37,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-28 08:41:37,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:37,131 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 08:41:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:37,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:41:37,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:37,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:41:37,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:41:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:37,265 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:41:37,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:37,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 33 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 65 transitions. Complement of second has 9 states. [2021-10-28 08:41:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:41:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:41:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-10-28 08:41:37,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-28 08:41:37,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:37,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 23 letters. Loop has 4 letters. [2021-10-28 08:41:37,303 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:37,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 19 letters. Loop has 8 letters. [2021-10-28 08:41:37,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:41:37,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 65 transitions. [2021-10-28 08:41:37,309 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:41:37,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 0 states and 0 transitions. [2021-10-28 08:41:37,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:41:37,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:41:37,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:41:37,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:41:37,310 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:41:37,310 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:41:37,310 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:41:37,310 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 08:41:37,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:41:37,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:41:37,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:41:37,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:41:37 BoogieIcfgContainer [2021-10-28 08:41:37,317 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:41:37,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:41:37,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:41:37,318 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:41:37,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:25" (3/4) ... [2021-10-28 08:41:37,322 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:41:37,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:41:37,325 INFO L168 Benchmark]: Toolchain (without parser) took 12584.69 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 61.6 MB in the beginning and 61.4 MB in the end (delta: 261.6 kB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:37,325 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 78.2 MB in the beginning and 78.2 MB in the end (delta: 68.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:37,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.35 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 75.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:37,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 98.6 MB. Free memory was 75.0 MB in the beginning and 73.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:37,327 INFO L168 Benchmark]: Boogie Preprocessor took 55.11 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 72.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:37,327 INFO L168 Benchmark]: RCFGBuilder took 324.64 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 62.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:37,327 INFO L168 Benchmark]: BuchiAutomizer took 11852.38 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 62.0 MB in the beginning and 61.4 MB in the end (delta: 606.2 kB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:37,328 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 144.7 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:37,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 78.2 MB in the beginning and 78.2 MB in the end (delta: 68.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 299.35 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 75.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 98.6 MB. Free memory was 75.0 MB in the beginning and 73.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.11 ms. Allocated memory is still 98.6 MB. Free memory was 73.4 MB in the beginning and 72.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 324.64 ms. Allocated memory is still 98.6 MB. Free memory was 72.4 MB in the beginning and 62.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11852.38 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 62.0 MB in the beginning and 61.4 MB in the end (delta: 606.2 kB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.71 ms. Allocated memory is still 144.7 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function size + -1 * i and consists of 6 locations. One nondeterministic module has affine ranking function array + 4 * j and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.8s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 10.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 129 SDtfs, 97 SDslu, 191 SDs, 0 SdLazy, 176 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI1 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax100 hnf100 lsp97 ukn86 mio100 lsp55 div100 bol102 ite100 ukn100 eq161 hnf92 smp94 dnf146 smp86 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 189ms VariablesStem: 10 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:41:37,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 08:41:37,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-28 08:41:37,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4820bd3b-2a26-48dc-a886-cb8d5c5e0403/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...