./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/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_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:32:57,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:32:57,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:32:57,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:32:57,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:32:57,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:32:57,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:32:57,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:32:57,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:32:57,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:32:57,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:32:57,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:32:57,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:32:57,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:32:57,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:32:57,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:32:57,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:32:57,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:32:57,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:32:57,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:32:57,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:32:57,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:32:57,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:32:57,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:32:57,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:32:57,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:32:57,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:32:57,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:32:57,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:32:57,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:32:57,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:32:57,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:32:57,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:32:57,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:32:57,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:32:57,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:32:57,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:32:57,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:32:57,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:32:57,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:32:57,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:32:57,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 08:32:57,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:32:57,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:32:57,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:32:57,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:32:57,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:32:57,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:32:57,566 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:32:57,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:32:57,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:32:57,567 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:32:57,568 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:32:57,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:32:57,569 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:32:57,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:32:57,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:32:57,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:32:57,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:32:57,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:32:57,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:32:57,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:32:57,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:32:57,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:32:57,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:32:57,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:32:57,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:32:57,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:32:57,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:32:57,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:32:57,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:32:57,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:32:57,575 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_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 [2021-11-09 08:32:57,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:32:57,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:32:57,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:32:57,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:32:57,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:32:57,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-11-09 08:32:57,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/data/bf90eab4b/15cd895a1ed243239ea6b7c2dd45f219/FLAGa91fbe6e8 [2021-11-09 08:32:58,601 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:32:58,602 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-11-09 08:32:58,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/data/bf90eab4b/15cd895a1ed243239ea6b7c2dd45f219/FLAGa91fbe6e8 [2021-11-09 08:32:58,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/data/bf90eab4b/15cd895a1ed243239ea6b7c2dd45f219 [2021-11-09 08:32:58,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:32:58,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:32:58,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:32:58,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:32:58,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:32:58,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:32:58" (1/1) ... [2021-11-09 08:32:58,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d8bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:58, skipping insertion in model container [2021-11-09 08:32:58,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:32:58" (1/1) ... [2021-11-09 08:32:58,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:32:58,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:32:59,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:32:59,256 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:32:59,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:32:59,342 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:32:59,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59 WrapperNode [2021-11-09 08:32:59,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:32:59,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:32:59,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:32:59,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:32:59,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:32:59,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:32:59,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:32:59,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:32:59,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:32:59,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:32:59,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:32:59,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:32:59,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (1/1) ... [2021-11-09 08:32:59,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:32:59,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:32:59,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:32:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:32:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:32:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:32:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:32:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:32:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:32:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:32:59,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:32:59,855 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-09 08:32:59,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:32:59 BoogieIcfgContainer [2021-11-09 08:32:59,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:32:59,859 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:32:59,859 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:32:59,863 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:32:59,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:32:59,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:32:58" (1/3) ... [2021-11-09 08:32:59,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c84f72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:32:59, skipping insertion in model container [2021-11-09 08:32:59,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:32:59,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:32:59" (2/3) ... [2021-11-09 08:32:59,867 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c84f72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:32:59, skipping insertion in model container [2021-11-09 08:32:59,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:32:59,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:32:59" (3/3) ... [2021-11-09 08:32:59,869 INFO L389 chiAutomizerObserver]: Analyzing ICFG array03-alloca-1.i [2021-11-09 08:33:00,004 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:33:00,005 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:33:00,005 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:33:00,005 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:33:00,005 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:33:00,005 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:33:00,005 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:33:00,006 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:33:00,021 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) [2021-11-09 08:33:00,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 08:33:00,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:00,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:00,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 08:33:00,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 08:33:00,050 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:33:00,051 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) [2021-11-09 08:33:00,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 08:33:00,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:00,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:00,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 08:33:00,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 08:33:00,062 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 [2021-11-09 08:33:00,063 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 [2021-11-09 08:33:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-09 08:33:00,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:00,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065217570] [2021-11-09 08:33:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:00,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,225 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash 44963621, now seen corresponding path program 1 times [2021-11-09 08:33:00,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:00,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969537260] [2021-11-09 08:33:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:00,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:00,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:00,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969537260] [2021-11-09 08:33:00,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969537260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:00,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:00,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:33:00,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85482369] [2021-11-09 08:33:00,380 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:33:00,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:00,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:33:00,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:33:00,413 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) [2021-11-09 08:33:00,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:00,421 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-09 08:33:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:33:00,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-11-09 08:33:00,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 08:33:00,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2021-11-09 08:33:00,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 08:33:00,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-09 08:33:00,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-11-09 08:33:00,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:33:00,435 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-11-09 08:33:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-11-09 08:33:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-09 08:33:00,463 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) [2021-11-09 08:33:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-11-09 08:33:00,465 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-11-09 08:33:00,465 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-11-09 08:33:00,466 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:33:00,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-11-09 08:33:00,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-09 08:33:00,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:00,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:00,469 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 08:33:00,469 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:00,470 INFO L791 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 47#L567 assume !(main_~array_size~0 < 1); 48#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 44#L551-3 [2021-11-09 08:33:00,470 INFO L793 eck$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 [2021-11-09 08:33:00,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:00,471 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-11-09 08:33:00,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:00,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701848871] [2021-11-09 08:33:00,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,512 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:00,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:00,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657929, now seen corresponding path program 1 times [2021-11-09 08:33:00,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:00,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968650521] [2021-11-09 08:33:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:00,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,567 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1898369747, now seen corresponding path program 1 times [2021-11-09 08:33:00,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:00,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282993640] [2021-11-09 08:33:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:00,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:00,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:01,156 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:33:01,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:33:01,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:33:01,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:33:01,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:33:01,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:33:01,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:33:01,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration2_Lasso [2021-11-09 08:33:01,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:33:01,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:33:01,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:01,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:33:01,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:33:01,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:01,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:01,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:01,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:33:01,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:01,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:01,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:33:01,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:01,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:01,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:01,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:01,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:01,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:33:01,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:01,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:01,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:01,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:01,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:01,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:33:01,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:01,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:01,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:01,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:01,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:01,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:33:01,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:01,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:01,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:01,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:01,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:01,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:01,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:01,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:33:01,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:01,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:01,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:01,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:01,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:01,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:01,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:01,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:01,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:33:02,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:02,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:02,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-09 08:33:02,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,080 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:33:02,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:02,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:02,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,167 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:02,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:02,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:02,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:33:02,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-09 08:33:02,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,222 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:33:02,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:02,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:02,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:02,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,289 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:33:02,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:02,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:02,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:02,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,329 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:33:02,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:02,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:02,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:02,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-09 08:33:02,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:33:02,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:02,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:02,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,455 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:02,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:02,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:33:02,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:02,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,515 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:33:02,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:02,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:02,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:02,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:02,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:02,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:02,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:02,558 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:33:02,611 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:33:02,611 INFO L444 ModelExtractionUtils]: 21 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-09 08:33:02,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:02,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:02,616 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:02,651 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:33:02,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:33:02,680 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:33:02,680 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:33:02,680 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 [] [2021-11-09 08:33:02,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:02,720 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-09 08:33:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:02,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:02,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:02,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:33:02,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:02,888 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:33:02,889 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) [2021-11-09 08:33:02,948 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. [2021-11-09 08:33:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:02,949 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) [2021-11-09 08:33:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-11-09 08:33:02,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-09 08:33:02,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:02,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-11-09 08:33:02,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:02,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 12 letters. [2021-11-09 08:33:02,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:02,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2021-11-09 08:33:02,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:02,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 24 transitions. [2021-11-09 08:33:02,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:33:02,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-09 08:33:02,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2021-11-09 08:33:02,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:02,956 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-11-09 08:33:02,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2021-11-09 08:33:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-09 08:33:02,958 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) [2021-11-09 08:33:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2021-11-09 08:33:02,959 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-11-09 08:33:02,959 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-11-09 08:33:02,959 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:33:02,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2021-11-09 08:33:02,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:02,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:02,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:02,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:33:02,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:33:02,961 INFO L791 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 142#L567 assume !(main_~array_size~0 < 1); 143#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 144#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 129#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 130#L558-2 [2021-11-09 08:33:02,961 INFO L793 eck$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 [2021-11-09 08:33:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:02,962 INFO L85 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2021-11-09 08:33:02,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:02,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601795584] [2021-11-09 08:33:02,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:02,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:02,975 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:02,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2021-11-09 08:33:02,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:02,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389756835] [2021-11-09 08:33:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:02,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:02,999 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:02,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649966426] [2021-11-09 08:33:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:02,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:03,001 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:03,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-09 08:33:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,045 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:03,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:03,055 INFO L85 PathProgramCache]: Analyzing trace with hash 176795341, now seen corresponding path program 1 times [2021-11-09 08:33:03,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:03,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441417127] [2021-11-09 08:33:03,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:03,072 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:03,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720781657] [2021-11-09 08:33:03,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:03,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:03,078 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:03,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-09 08:33:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:03,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:33:03,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:03,198 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 [2021-11-09 08:33:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:03,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:03,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441417127] [2021-11-09 08:33:03,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:33:03,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720781657] [2021-11-09 08:33:03,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720781657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:03,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:03,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:33:03,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785184427] [2021-11-09 08:33:03,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:03,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:33:03,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:33:03,272 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) [2021-11-09 08:33:03,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:03,357 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-11-09 08:33:03,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:33:03,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-11-09 08:33:03,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:03,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2021-11-09 08:33:03,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-09 08:33:03,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-09 08:33:03,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-11-09 08:33:03,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:03,365 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-09 08:33:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-11-09 08:33:03,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-11-09 08:33:03,372 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) [2021-11-09 08:33:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-11-09 08:33:03,374 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-09 08:33:03,374 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-09 08:33:03,374 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:33:03,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-11-09 08:33:03,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:03,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:03,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:03,378 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:03,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:33:03,378 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 213#L567 assume !(main_~array_size~0 < 1); 214#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 215#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 199#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 200#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 204#L558-2 [2021-11-09 08:33:03,378 INFO L793 eck$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 [2021-11-09 08:33:03,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-11-09 08:33:03,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:03,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383877199] [2021-11-09 08:33:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:03,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,420 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:03,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:03,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 2 times [2021-11-09 08:33:03,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:03,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257868696] [2021-11-09 08:33:03,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:03,449 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:03,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979001077] [2021-11-09 08:33:03,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:33:03,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:03,451 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:03,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-09 08:33:03,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-09 08:33:03,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:33:03,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:03,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1185742934, now seen corresponding path program 1 times [2021-11-09 08:33:03,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:03,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416885223] [2021-11-09 08:33:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:03,518 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:03,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713053361] [2021-11-09 08:33:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:03,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:03,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:03,521 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:03,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-09 08:33:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,578 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:03,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:03,967 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:33:03,967 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:33:03,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:33:03,967 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:33:03,967 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:33:03,968 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:03,968 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:33:03,968 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:33:03,968 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration4_Lasso [2021-11-09 08:33:03,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:33:03,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:33:03,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:03,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:03,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:03,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:03,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:03,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:04,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:33:04,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:33:04,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,460 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:04,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:04,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:04,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:33:04,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:04,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,533 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:04,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:04,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:33:04,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:04,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,607 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:04,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:04,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:33:04,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:04,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,682 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:04,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:04,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:04,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:33:04,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:04,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,752 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:04,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:04,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:04,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:33:04,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:04,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,822 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:04,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:33:04,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:04,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:04,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:04,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:04,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:04,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:04,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:33:04,877 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:33:04,877 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-09 08:33:04,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:04,883 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:04,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:33:04,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:33:04,916 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:33:04,916 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:33:04,916 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 [] [2021-11-09 08:33:04,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:04,961 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-09 08:33:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:04,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:04,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:05,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:33:05,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:05,043 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:33:05,044 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) [2021-11-09 08:33:05,076 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. [2021-11-09 08:33:05,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-11-09 08:33:05,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-09 08:33:05,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:05,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-09 08:33:05,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:05,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-09 08:33:05,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:05,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2021-11-09 08:33:05,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-09 08:33:05,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 47 transitions. [2021-11-09 08:33:05,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-09 08:33:05,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-09 08:33:05,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 47 transitions. [2021-11-09 08:33:05,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:05,087 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-11-09 08:33:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 47 transitions. [2021-11-09 08:33:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-11-09 08:33:05,093 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) [2021-11-09 08:33:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-11-09 08:33:05,096 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-09 08:33:05,096 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-09 08:33:05,096 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 08:33:05,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-11-09 08:33:05,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:05,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:05,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:05,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:05,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:33:05,100 INFO L791 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 330#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 338#L567 assume !(main_~array_size~0 < 1); 339#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 340#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 341#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 325#L555 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 326#L558-2 [2021-11-09 08:33:05,100 INFO L793 eck$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 [2021-11-09 08:33:05,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2021-11-09 08:33:05,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458598500] [2021-11-09 08:33:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,118 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:05,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 3 times [2021-11-09 08:33:05,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314403481] [2021-11-09 08:33:05,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,148 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1082473514] [2021-11-09 08:33:05,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 08:33:05,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,154 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-09 08:33:05,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-09 08:33:05,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:33:05,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,206 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:05,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1185741012, now seen corresponding path program 1 times [2021-11-09 08:33:05,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791831818] [2021-11-09 08:33:05,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,225 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340213781] [2021-11-09 08:33:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,227 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-09 08:33:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:05,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:33:05,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:05,340 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 [2021-11-09 08:33:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:05,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:05,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791831818] [2021-11-09 08:33:05,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-09 08:33:05,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340213781] [2021-11-09 08:33:05,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340213781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:05,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:05,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:33:05,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242658572] [2021-11-09 08:33:05,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:05,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:33:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:33:05,414 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) [2021-11-09 08:33:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:05,462 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-11-09 08:33:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:33:05,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-11-09 08:33:05,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:05,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 41 transitions. [2021-11-09 08:33:05,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-09 08:33:05,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-09 08:33:05,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-11-09 08:33:05,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:05,467 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-09 08:33:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-11-09 08:33:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2021-11-09 08:33:05,473 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) [2021-11-09 08:33:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-11-09 08:33:05,474 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-09 08:33:05,474 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-11-09 08:33:05,474 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 08:33:05,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-11-09 08:33:05,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:05,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:05,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:05,479 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:05,479 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:33:05,479 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 [2021-11-09 08:33:05,479 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 [2021-11-09 08:33:05,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1864345184, now seen corresponding path program 1 times [2021-11-09 08:33:05,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616550714] [2021-11-09 08:33:05,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:05,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:05,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616550714] [2021-11-09 08:33:05,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616550714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:05,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:05,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:33:05,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639095744] [2021-11-09 08:33:05,585 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:33:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 4 times [2021-11-09 08:33:05,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623521368] [2021-11-09 08:33:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,601 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331672723] [2021-11-09 08:33:05,602 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 08:33:05,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,605 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-09 08:33:05,654 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 08:33:05,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:33:05,654 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:05,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:05,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:33:05,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:33:05,714 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) [2021-11-09 08:33:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:05,763 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-11-09 08:33:05,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:33:05,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-11-09 08:33:05,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:05,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2021-11-09 08:33:05,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-09 08:33:05,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-09 08:33:05,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-11-09 08:33:05,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:05,766 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-11-09 08:33:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-11-09 08:33:05,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-11-09 08:33:05,769 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) [2021-11-09 08:33:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-11-09 08:33:05,770 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-11-09 08:33:05,770 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-11-09 08:33:05,770 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-09 08:33:05,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2021-11-09 08:33:05,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:33:05,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:05,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:05,771 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:33:05,772 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:33:05,772 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 [2021-11-09 08:33:05,772 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 [2021-11-09 08:33:05,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,773 INFO L85 PathProgramCache]: Analyzing trace with hash 221162235, now seen corresponding path program 1 times [2021-11-09 08:33:05,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668863316] [2021-11-09 08:33:05,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,781 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133233885] [2021-11-09 08:33:05,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,784 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-09 08:33:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:05,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 5 times [2021-11-09 08:33:05,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542924645] [2021-11-09 08:33:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,896 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861112456] [2021-11-09 08:33:05,896 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-09 08:33:05,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,902 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-09 08:33:05,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:05,963 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-09 08:33:05,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:33:05,964 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:05,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2083511360, now seen corresponding path program 2 times [2021-11-09 08:33:05,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:05,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156049158] [2021-11-09 08:33:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:05,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:05,979 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-09 08:33:05,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192755762] [2021-11-09 08:33:05,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 08:33:05,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:33:05,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:05,980 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:33:05,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-09 08:33:06,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 08:33:06,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-09 08:33:06,046 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:06,068 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:06,659 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:33:06,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:33:06,659 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:33:06,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:33:06,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:33:06,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:06,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:33:06,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:33:06,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration7_Lasso [2021-11-09 08:33:06,660 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:33:06,660 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:33:06,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:06,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:07,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:33:07,110 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:33:07,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,118 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 08:33:07,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:07,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:07,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:07,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:07,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,163 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 08:33:07,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:07,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:07,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:07,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:07,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,237 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 08:33:07,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:07,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:07,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:07,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,276 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 08:33:07,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:07,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:07,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-09 08:33:07,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,311 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-09 08:33:07,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:07,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:07,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-09 08:33:07,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,345 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-09 08:33:07,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:07,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:07,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:07,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:07,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,406 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-09 08:33:07,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:07,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:07,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:07,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:07,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:07,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:07,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:07,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:33:07,447 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:33:07,447 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-09 08:33:07,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:07,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:07,456 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:07,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:33:07,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-09 08:33:07,486 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:33:07,486 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:33:07,486 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 [] [2021-11-09 08:33:07,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:07,522 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-11-09 08:33:07,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:07,642 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:33:07,642 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) [2021-11-09 08:33:07,670 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. [2021-11-09 08:33:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:07,671 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) [2021-11-09 08:33:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-09 08:33:07,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-09 08:33:07,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:07,672 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 08:33:07,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:07,772 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 [2021-11-09 08:33:07,772 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) [2021-11-09 08:33:07,795 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. [2021-11-09 08:33:07,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:07,796 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) [2021-11-09 08:33:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-09 08:33:07,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-09 08:33:07,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:07,797 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-09 08:33:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:07,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 08:33:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:07,905 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 [2021-11-09 08:33:07,905 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) [2021-11-09 08:33:07,923 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. [2021-11-09 08:33:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:07,924 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) [2021-11-09 08:33:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-09 08:33:07,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-09 08:33:07,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:07,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2021-11-09 08:33:07,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:07,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2021-11-09 08:33:07,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:07,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-11-09 08:33:07,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:33:07,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-11-09 08:33:07,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:33:07,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:33:07,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:33:07,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:33:07,929 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:07,929 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:07,929 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:07,929 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-09 08:33:07,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:33:07,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:33:07,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 08:33:07,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:33:07 BoogieIcfgContainer [2021-11-09 08:33:07,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:33:07,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:33:07,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:33:07,937 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:33:07,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:32:59" (3/4) ... [2021-11-09 08:33:07,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:33:07,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:33:07,943 INFO L168 Benchmark]: Toolchain (without parser) took 9051.20 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 61.8 MB in the beginning and 42.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:07,943 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:07,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.34 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 56.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:07,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 54.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:07,944 INFO L168 Benchmark]: Boogie Preprocessor took 56.59 ms. Allocated memory is still 86.0 MB. Free memory was 54.4 MB in the beginning and 53.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:07,945 INFO L168 Benchmark]: RCFGBuilder took 385.67 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 43.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:07,945 INFO L168 Benchmark]: BuchiAutomizer took 8076.91 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 43.1 MB in the beginning and 42.7 MB in the end (delta: 346.0 kB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:07,946 INFO L168 Benchmark]: Witness Printer took 4.80 ms. Allocated memory is still 125.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:07,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 60.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.34 ms. Allocated memory is still 86.0 MB. Free memory was 61.5 MB in the beginning and 56.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 54.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.59 ms. Allocated memory is still 86.0 MB. Free memory was 54.4 MB in the beginning and 53.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 385.67 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 43.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8076.91 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 43.1 MB in the beginning and 42.7 MB in the end (delta: 346.0 kB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.80 ms. Allocated memory is still 125.8 MB. Free memory is still 42.7 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 7.9s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 6.7s. 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 0.0s 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, 0.1s 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: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 08:33:07,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:08,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-11-09 08:33:08,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-11-09 08:33:08,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-11-09 08:33:08,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-11-09 08:33:08,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-11-09 08:33:09,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:09,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-09 08:33:09,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-11-09 08:33:09,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:09,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-09 08:33:10,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cf3ba6e-15c6-4f67-8f21-b190f4d16b50/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE