./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be --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 d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:22:51,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:22:51,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:22:51,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:22:51,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:22:51,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:22:51,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:22:51,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:22:51,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:22:51,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:22:51,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:22:51,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:22:51,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:22:51,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:22:51,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:22:51,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:22:51,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:22:51,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:22:51,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:22:51,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:22:51,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:22:51,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:22:51,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:22:51,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:22:51,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:22:51,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:22:51,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:22:51,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:22:51,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:22:51,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:22:51,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:22:51,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:22:51,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:22:51,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:22:51,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:22:51,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:22:51,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:22:51,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:22:51,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:22:51,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:22:51,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:22:51,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:22:51,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:22:51,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:22:51,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:22:51,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:22:51,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:22:51,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:22:51,640 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:22:51,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:22:51,642 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:22:51,642 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:22:51,644 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:22:51,644 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:22:51,644 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:22:51,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:22:51,645 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:22:51,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:22:51,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:22:51,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:22:51,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:22:51,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:22:51,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:22:51,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:22:51,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:22:51,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:22:51,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:22:51,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:22:51,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:22:51,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:22:51,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:22:51,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:22:51,650 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_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 [2021-10-21 20:22:51,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:22:51,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:22:51,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:22:51,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:22:51,989 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:22:51,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-10-21 20:22:52,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/data/bb21fca7d/5cdab0e621cb4f8faacc354e9c7dff8f/FLAG7a0e5044c [2021-10-21 20:22:52,765 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:22:52,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-10-21 20:22:52,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/data/bb21fca7d/5cdab0e621cb4f8faacc354e9c7dff8f/FLAG7a0e5044c [2021-10-21 20:22:52,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/data/bb21fca7d/5cdab0e621cb4f8faacc354e9c7dff8f [2021-10-21 20:22:52,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:22:52,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:22:52,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:52,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:22:53,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:22:53,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:52" (1/1) ... [2021-10-21 20:22:53,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526840c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53, skipping insertion in model container [2021-10-21 20:22:53,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:52" (1/1) ... [2021-10-21 20:22:53,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:22:53,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:22:53,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:53,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:22:53,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:53,494 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:22:53,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53 WrapperNode [2021-10-21 20:22:53,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:53,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:53,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:22:53,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:22:53,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:53,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:22:53,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:22:53,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:22:53,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:22:53,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:22:53,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:22:53,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:22:53,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (1/1) ... [2021-10-21 20:22:53,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:53,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:53,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:53,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:22:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:22:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:22:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:22:54,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:22:54,148 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 20:22:54,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:54 BoogieIcfgContainer [2021-10-21 20:22:54,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:22:54,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:22:54,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:22:54,158 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:22:54,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:22:54,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:22:52" (1/3) ... [2021-10-21 20:22:54,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143b7a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:22:54, skipping insertion in model container [2021-10-21 20:22:54,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:22:54,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:53" (2/3) ... [2021-10-21 20:22:54,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143b7a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:22:54, skipping insertion in model container [2021-10-21 20:22:54,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:22:54,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:54" (3/3) ... [2021-10-21 20:22:54,165 INFO L389 chiAutomizerObserver]: Analyzing ICFG array03-alloca-1.i [2021-10-21 20:22:54,242 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:22:54,242 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:22:54,242 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:22:54,243 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:22:54,243 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:22:54,243 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:22:54,243 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:22:54,243 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:22:54,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:54,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:22:54,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:54,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:54,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:22:54,293 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 20:22:54,293 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:22:54,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:54,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:22:54,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:54,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:54,300 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:22:54,300 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 20:22:54,307 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 15#L567true assume !(main_~array_size~0 < 1); 16#L567-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 8#L551-3true [2021-10-21 20:22:54,309 INFO L793 eck$LassoCheckResult]: Loop: 8#L551-3true assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 11#L553true assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 9#L558-2true assume !true; 7#L558-3true call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 8#L551-3true [2021-10-21 20:22:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-21 20:22:54,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:54,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849504296] [2021-10-21 20:22:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:54,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,497 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:54,501 INFO L82 PathProgramCache]: Analyzing trace with hash 44963621, now seen corresponding path program 1 times [2021-10-21 20:22:54,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:54,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961089868] [2021-10-21 20:22:54,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:54,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:54,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:54,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961089868] [2021-10-21 20:22:54,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961089868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:54,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:54,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:22:54,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083537569] [2021-10-21 20:22:54,562 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:22:54,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:54,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:22:54,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:22:54,581 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-10-21 20:22:54,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:54,587 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-21 20:22:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:22:54,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-21 20:22:54,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:22:54,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2021-10-21 20:22:54,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 20:22:54,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 20:22:54,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-10-21 20:22:54,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:22:54,598 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-21 20:22:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-10-21 20:22:54,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-21 20:22:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 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) [2021-10-21 20:22:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-10-21 20:22:54,674 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-21 20:22:54,674 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-21 20:22:54,674 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:22:54,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-10-21 20:22:54,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:22:54,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:54,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:54,676 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:22:54,676 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:22:54,677 INFO L791 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 47#L567 assume !(main_~array_size~0 < 1); 48#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 44#L551-3 [2021-10-21 20:22:54,677 INFO L793 eck$LassoCheckResult]: Loop: 44#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 38#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 39#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 45#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 46#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 43#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 44#L551-3 [2021-10-21 20:22:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:54,678 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-21 20:22:54,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:54,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011905952] [2021-10-21 20:22:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:54,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,691 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:54,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:54,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1393657929, now seen corresponding path program 1 times [2021-10-21 20:22:54,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:54,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934206667] [2021-10-21 20:22:54,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:54,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,727 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:54,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:54,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1898369747, now seen corresponding path program 1 times [2021-10-21 20:22:54,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:54,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338484561] [2021-10-21 20:22:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:54,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,768 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:54,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:55,346 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:22:55,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:22:55,347 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:22:55,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:22:55,348 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:22:55,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:55,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:22:55,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:22:55,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration2_Lasso [2021-10-21 20:22:55,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:22:55,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:22:55,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:55,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:22:55,881 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:22:55,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:55,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:55,897 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 [2021-10-21 20:22:55,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:55,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:55,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:55,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:55,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:55,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:55,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:55,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:22:55,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:55,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 20:22:55,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:55,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:55,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:22:55,976 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 [2021-10-21 20:22:55,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:55,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:55,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:55,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:55,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:55,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:55,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:22:56,037 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 [2021-10-21 20:22:56,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:22:56,109 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 [2021-10-21 20:22:56,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,162 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:22:56,165 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 [2021-10-21 20:22:56,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,269 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 [2021-10-21 20:22:56,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:22:56,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,331 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:22:56,336 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 [2021-10-21 20:22:56,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 20:22:56,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,390 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:22:56,396 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 [2021-10-21 20:22:56,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:22:56,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:22:56,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,542 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:22:56,546 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 [2021-10-21 20:22:56,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,590 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:22:56,592 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 [2021-10-21 20:22:56,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,638 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:22:56,642 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 [2021-10-21 20:22:56,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:56,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:56,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:56,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,693 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:22:56,694 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 [2021-10-21 20:22:56,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-21 20:22:56,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,734 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:22:56,738 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 [2021-10-21 20:22:56,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:56,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:56,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,815 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:22:56,819 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 [2021-10-21 20:22:56,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:56,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:56,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:56,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:56,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:56,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:56,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:22:56,890 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 20:22:56,890 INFO L444 ModelExtractionUtils]: 21 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 20:22:56,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:56,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:56,894 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:56,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:22:56,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:22:56,933 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:22:56,933 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:22:56,934 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2021-10-21 20:22:56,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:57,000 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-21 20:22:57,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:57,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:22:57,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:57,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:22:57,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:57,174 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 [2021-10-21 20:22:57,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-21 20:22:57,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 26 transitions. Complement of second has 4 states. [2021-10-21 20:22:57,237 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 [2021-10-21 20:22:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-21 20:22:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-21 20:22:57,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-21 20:22:57,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:57,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:22:57,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:57,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 12 letters. [2021-10-21 20:22:57,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:57,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2021-10-21 20:22:57,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:57,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 24 transitions. [2021-10-21 20:22:57,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-21 20:22:57,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:22:57,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2021-10-21 20:22:57,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:22:57,249 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-21 20:22:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2021-10-21 20:22:57,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-21 20:22:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2021-10-21 20:22:57,254 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-21 20:22:57,254 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-21 20:22:57,254 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:22:57,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2021-10-21 20:22:57,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:57,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:57,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:57,260 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:22:57,260 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:22:57,260 INFO L791 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 142#L567 assume !(main_~array_size~0 < 1); 143#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 144#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 129#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 130#L558-2 [2021-10-21 20:22:57,260 INFO L793 eck$LassoCheckResult]: Loop: 130#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 139#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 130#L558-2 [2021-10-21 20:22:57,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,262 INFO L82 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2021-10-21 20:22:57,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302594856] [2021-10-21 20:22:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,297 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:57,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2021-10-21 20:22:57,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958850062] [2021-10-21 20:22:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,325 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:57,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669774108] [2021-10-21 20:22:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:57,327 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:57,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-21 20:22:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,373 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,383 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,383 INFO L82 PathProgramCache]: Analyzing trace with hash 176795341, now seen corresponding path program 1 times [2021-10-21 20:22:57,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812766677] [2021-10-21 20:22:57,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,413 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:57,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627802288] [2021-10-21 20:22:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:57,442 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:57,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:57,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-21 20:22:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:57,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:22:57,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:57,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-21 20:22:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:57,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:57,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812766677] [2021-10-21 20:22:57,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 20:22:57,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627802288] [2021-10-21 20:22:57,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627802288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:57,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:57,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:22:57,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408354533] [2021-10-21 20:22:57,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:22:57,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:22:57,698 INFO L87 Difference]: Start difference. First operand 16 states and 24 transitions. cyclomatic complexity: 10 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:57,748 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-10-21 20:22:57,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:22:57,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-21 20:22:57,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:57,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2021-10-21 20:22:57,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-21 20:22:57,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:22:57,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-10-21 20:22:57,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:22:57,751 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 20:22:57,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-10-21 20:22:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-21 20:22:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-21 20:22:57,754 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 20:22:57,754 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 20:22:57,754 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:22:57,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-21 20:22:57,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:57,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:57,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:57,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:57,756 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:22:57,756 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 213#L567 assume !(main_~array_size~0 < 1); 214#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 215#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 199#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 200#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 204#L558-2 [2021-10-21 20:22:57,756 INFO L793 eck$LassoCheckResult]: Loop: 204#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 210#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 204#L558-2 [2021-10-21 20:22:57,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-10-21 20:22:57,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851891900] [2021-10-21 20:22:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,770 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:57,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 2 times [2021-10-21 20:22:57,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201649898] [2021-10-21 20:22:57,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,792 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:57,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271307216] [2021-10-21 20:22:57,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:22:57,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:57,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:57,801 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:57,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-21 20:22:57,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 20:22:57,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:22:57,867 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:57,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:57,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1185742934, now seen corresponding path program 1 times [2021-10-21 20:22:57,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:57,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794370030] [2021-10-21 20:22:57,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:57,904 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:57,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477511813] [2021-10-21 20:22:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:57,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:57,915 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:57,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-21 20:22:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:57,986 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:58,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:58,450 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:22:58,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:22:58,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:22:58,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:22:58,450 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:22:58,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:58,450 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:22:58,450 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:22:58,450 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration4_Lasso [2021-10-21 20:22:58,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:22:58,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:22:58,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:22:58,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:22:58,921 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:22:58,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:58,925 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:22:58,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:22:58,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:58,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:58,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:58,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:58,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:58,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:58,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:58,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:59,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,010 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,022 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 [2021-10-21 20:22:59,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:59,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:59,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:59,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:59,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:59,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:59,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:59,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:22:59,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:59,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,088 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,091 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 [2021-10-21 20:22:59,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:59,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:59,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:59,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:59,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:59,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:22:59,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:59,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,157 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:22:59,159 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 [2021-10-21 20:22:59,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:59,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:59,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:59,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:59,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:59,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:59,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:59,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:59,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,220 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,229 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 [2021-10-21 20:22:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:22:59,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:59,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:22:59,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:59,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:59,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:59,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:22:59,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:22:59,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:22:59,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,271 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:22:59,272 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 [2021-10-21 20:22:59,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:22:59,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:22:59,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:22:59,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:22:59,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:22:59,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:22:59,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:22:59,328 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 20:22:59,328 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-21 20:22:59,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,334 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,337 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:22:59,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:22:59,366 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:22:59,366 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:22:59,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2021-10-21 20:22:59,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,409 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-21 20:22:59,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:59,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:22:59,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:59,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:22:59,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:59,503 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 [2021-10-21 20:22:59,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:59,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 54 transitions. Complement of second has 7 states. [2021-10-21 20:22:59,540 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 [2021-10-21 20:22:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-21 20:22:59,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:22:59,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:59,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-21 20:22:59,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:59,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-21 20:22:59,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:22:59,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2021-10-21 20:22:59,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:22:59,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 47 transitions. [2021-10-21 20:22:59,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:22:59,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 20:22:59,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 47 transitions. [2021-10-21 20:22:59,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:22:59,555 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-10-21 20:22:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 47 transitions. [2021-10-21 20:22:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-10-21 20:22:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-10-21 20:22:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-21 20:22:59,564 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-21 20:22:59,564 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-21 20:22:59,564 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:22:59,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-10-21 20:22:59,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:59,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:59,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:59,567 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:59,568 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:22:59,568 INFO L791 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 330#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 338#L567 assume !(main_~array_size~0 < 1); 339#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 340#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 341#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 325#L555 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 326#L558-2 [2021-10-21 20:22:59,568 INFO L793 eck$LassoCheckResult]: Loop: 326#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 333#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 326#L558-2 [2021-10-21 20:22:59,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:59,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2021-10-21 20:22:59,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:59,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784520954] [2021-10-21 20:22:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:59,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:59,583 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:59,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 3 times [2021-10-21 20:22:59,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:59,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174006974] [2021-10-21 20:22:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:59,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:59,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:59,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918635600] [2021-10-21 20:22:59,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 20:22:59,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,604 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-21 20:22:59,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-21 20:22:59,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:22:59,656 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:22:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:22:59,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:22:59,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:59,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1185741012, now seen corresponding path program 1 times [2021-10-21 20:22:59,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:59,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941783407] [2021-10-21 20:22:59,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:59,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:59,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:22:59,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595875758] [2021-10-21 20:22:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:59,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:22:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:59,686 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:22:59,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-21 20:22:59,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:22:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:22:59,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:22:59,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:22:59,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-21 20:22:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:22:59,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:22:59,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941783407] [2021-10-21 20:22:59,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-21 20:22:59,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595875758] [2021-10-21 20:22:59,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595875758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:22:59,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:22:59,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:22:59,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311516327] [2021-10-21 20:22:59,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:22:59,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:22:59,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:22:59,903 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:22:59,946 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-10-21 20:22:59,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:22:59,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-10-21 20:22:59,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:59,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 41 transitions. [2021-10-21 20:22:59,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-21 20:22:59,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:22:59,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-10-21 20:22:59,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:22:59,950 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-21 20:22:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-10-21 20:22:59,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2021-10-21 20:22:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:22:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-10-21 20:22:59,953 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 20:22:59,953 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 20:22:59,953 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:22:59,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-10-21 20:22:59,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:22:59,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:22:59,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:22:59,955 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:22:59,955 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:22:59,956 INFO L791 eck$LassoCheckResult]: Stem: 433#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 434#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 441#L567 assume !(main_~array_size~0 < 1); 442#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 443#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 426#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 428#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 439#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 444#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 448#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 447#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 445#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 424#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 425#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 429#L558-2 [2021-10-21 20:22:59,956 INFO L793 eck$LassoCheckResult]: Loop: 429#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 437#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 429#L558-2 [2021-10-21 20:22:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:22:59,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1864345184, now seen corresponding path program 1 times [2021-10-21 20:22:59,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:22:59,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717401005] [2021-10-21 20:22:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:22:59,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:22:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:00,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:00,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717401005] [2021-10-21 20:23:00,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717401005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:00,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:00,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:23:00,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945643954] [2021-10-21 20:23:00,041 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:23:00,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:00,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 4 times [2021-10-21 20:23:00,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:00,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216977368] [2021-10-21 20:23:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:00,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:00,053 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:23:00,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246887284] [2021-10-21 20:23:00,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 20:23:00,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:23:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:00,061 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:23:00,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-21 20:23:00,120 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 20:23:00,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:23:00,120 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:00,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:00,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:00,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:23:00,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:23:00,183 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:00,243 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-10-21 20:23:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:23:00,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-10-21 20:23:00,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:23:00,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2021-10-21 20:23:00,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 20:23:00,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 20:23:00,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-10-21 20:23:00,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:23:00,251 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-21 20:23:00,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-10-21 20:23:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-10-21 20:23:00,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 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) [2021-10-21 20:23:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-10-21 20:23:00,257 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-21 20:23:00,257 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-21 20:23:00,257 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:23:00,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2021-10-21 20:23:00,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:23:00,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:23:00,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:23:00,259 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:00,259 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:23:00,260 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 504#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 511#L567 assume !(main_~array_size~0 < 1); 512#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 513#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 514#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 523#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 515#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 516#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 525#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 520#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 519#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 518#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 517#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 496#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 497#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 501#L558-2 [2021-10-21 20:23:00,260 INFO L793 eck$LassoCheckResult]: Loop: 501#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 507#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 501#L558-2 [2021-10-21 20:23:00,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:00,261 INFO L82 PathProgramCache]: Analyzing trace with hash 221162235, now seen corresponding path program 1 times [2021-10-21 20:23:00,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:00,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007095803] [2021-10-21 20:23:00,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:00,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:00,282 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:23:00,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354654459] [2021-10-21 20:23:00,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:00,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:23:00,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:00,286 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:23:00,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-21 20:23:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:00,364 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:00,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:00,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:00,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 5 times [2021-10-21 20:23:00,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:00,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649407095] [2021-10-21 20:23:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:00,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:00,399 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:23:00,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969574450] [2021-10-21 20:23:00,400 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 20:23:00,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:23:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:00,408 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:23:00,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-21 20:23:00,463 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-21 20:23:00,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:23:00,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:00,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:00,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:00,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2083511360, now seen corresponding path program 2 times [2021-10-21 20:23:00,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:00,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049783895] [2021-10-21 20:23:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:00,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:00,479 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-21 20:23:00,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137772515] [2021-10-21 20:23:00,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:23:00,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:23:00,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:00,489 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:23:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-21 20:23:00,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:23:00,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-21 20:23:00,562 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:00,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:01,195 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:01,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:01,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:01,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:01,195 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:23:01,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:01,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:01,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration7_Lasso [2021-10-21 20:23:01,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:01,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:01,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:01,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:01,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:23:01,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,677 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:23:01,686 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 [2021-10-21 20:23:01,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:01,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:01,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:01,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:01,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:01,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:01,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:01,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:01,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:01,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,724 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:23:01,730 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 [2021-10-21 20:23:01,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:01,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:01,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:01,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:01,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:01,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:01,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:01,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:01,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:01,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,784 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:23:01,785 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 [2021-10-21 20:23:01,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:01,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:01,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:01,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:01,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:23:01,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:23:01,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:01,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:01,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,845 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:23:01,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:23:01,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:01,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:01,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:01,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:01,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:23:01,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:23:01,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:01,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:01,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,908 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,922 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 [2021-10-21 20:23:01,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:01,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:01,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:01,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:01,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:23:01,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:23:01,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:23:01,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:01,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:01,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:01,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:01,988 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:01,996 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 [2021-10-21 20:23:02,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:02,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:02,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:02,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:02,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:23:02,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:23:02,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:23:02,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:02,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:02,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:02,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:02,066 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:02,069 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 [2021-10-21 20:23:02,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:02,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:02,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:02,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:02,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:23:02,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:23:02,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:23:02,096 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:23:02,103 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 20:23:02,103 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-21 20:23:02,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:02,105 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:02,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:23:02,106 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:23:02,115 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:23:02,115 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:23:02,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3 Supporting invariants [] [2021-10-21 20:23:02,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 20:23:02,145 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-21 20:23:02,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:02,284 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 [2021-10-21 20:23:02,284 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,306 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 7 states. [2021-10-21 20:23:02,307 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 [2021-10-21 20:23:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-21 20:23:02,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-21 20:23:02,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:02,308 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:23:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:02,417 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:23:02,417 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,437 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 7 states. [2021-10-21 20:23:02,438 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 [2021-10-21 20:23:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-21 20:23:02,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-21 20:23:02,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:02,439 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:23:02,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:02,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:02,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:23:02,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:02,578 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 2 loop predicates [2021-10-21 20:23:02,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 39 states and 50 transitions. Complement of second has 6 states. [2021-10-21 20:23:02,597 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 [2021-10-21 20:23:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-21 20:23:02,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-21 20:23:02,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-21 20:23:02,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:02,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2021-10-21 20:23:02,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:02,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-21 20:23:02,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:02,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-21 20:23:02,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:23:02,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-10-21 20:23:02,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:23:02,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:23:02,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:23:02,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:23:02,601 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:02,602 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:02,602 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:02,602 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:23:02,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:23:02,602 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:23:02,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:23:02,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:23:02 BoogieIcfgContainer [2021-10-21 20:23:02,608 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:23:02,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:23:02,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:23:02,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:23:02,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:22:54" (3/4) ... [2021-10-21 20:23:02,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:23:02,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:23:02,614 INFO L168 Benchmark]: Toolchain (without parser) took 9618.18 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 57.0 MB in the beginning and 100.7 MB in the end (delta: -43.7 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:02,615 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 96.5 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:02,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.85 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 67.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:02,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 65.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:02,616 INFO L168 Benchmark]: Boogie Preprocessor took 53.88 ms. Allocated memory is still 96.5 MB. Free memory was 65.6 MB in the beginning and 64.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:02,616 INFO L168 Benchmark]: RCFGBuilder took 545.95 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 54.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:02,617 INFO L168 Benchmark]: BuchiAutomizer took 8455.49 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.0 MB in the beginning and 100.7 MB in the end (delta: -46.8 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:02,617 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 142.6 MB. Free memory is still 100.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:02,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 96.5 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.85 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 67.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.44 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 65.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.88 ms. Allocated memory is still 96.5 MB. Free memory was 65.6 MB in the beginning and 64.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 545.95 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 54.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8455.49 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 54.0 MB in the beginning and 100.7 MB in the end (delta: -46.8 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 142.6 MB. Free memory is still 100.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 56.4ms AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 119 SDtfs, 83 SDslu, 68 SDs, 0 SdLazy, 147 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 148.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf99 lsp87 ukn67 mio100 lsp52 div100 bol100 ite100 ukn100 eq178 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:23:02,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:02,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:03,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-10-21 20:23:03,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-10-21 20:23:03,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-21 20:23:03,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:03,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-10-21 20:23:04,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:04,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:04,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-21 20:23:04,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f68a21-3ca5-478c-8cd2-15a40ae7dd96/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...