./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:48:36,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:48:36,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:48:36,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:48:36,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:48:36,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:48:36,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:48:36,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:48:36,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:48:36,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:48:36,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:48:36,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:48:36,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:48:36,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:48:36,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:48:36,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:48:36,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:48:36,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:48:36,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:48:36,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:48:36,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:48:36,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:48:36,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:48:36,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:48:36,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:48:36,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:48:36,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:48:36,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:48:36,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:48:36,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:48:36,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:48:36,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:48:36,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:48:36,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:48:36,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:48:36,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:48:36,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:48:36,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:48:36,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:48:36,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:48:36,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:48:36,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:48:36,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:48:36,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:48:36,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:48:36,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:48:36,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:48:36,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:48:36,649 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:48:36,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:48:36,650 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:48:36,650 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:48:36,650 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:48:36,650 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:48:36,651 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:48:36,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:48:36,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:48:36,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:48:36,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:48:36,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:48:36,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:48:36,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:48:36,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:48:36,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:48:36,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:48:36,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:48:36,653 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:48:36,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:48:36,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:48:36,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:48:36,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:48:36,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:48:36,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:48:36,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:48:36,656 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:48:36,656 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_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2021-11-20 05:48:36,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:48:36,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:48:36,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:48:36,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:48:36,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:48:36,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-11-20 05:48:37,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/data/19db383dc/2add3dbcfd3d484087352117543eb208/FLAG91e176277 [2021-11-20 05:48:37,634 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:48:37,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2021-11-20 05:48:37,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/data/19db383dc/2add3dbcfd3d484087352117543eb208/FLAG91e176277 [2021-11-20 05:48:37,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/data/19db383dc/2add3dbcfd3d484087352117543eb208 [2021-11-20 05:48:37,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:48:37,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:48:37,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:48:37,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:48:37,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:48:37,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:37" (1/1) ... [2021-11-20 05:48:37,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b49ef0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:37, skipping insertion in model container [2021-11-20 05:48:37,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:37" (1/1) ... [2021-11-20 05:48:37,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:48:38,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:48:38,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:48:38,670 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:48:38,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:48:38,835 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:48:38,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38 WrapperNode [2021-11-20 05:48:38,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:48:38,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:48:38,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:48:38,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:48:38,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,902 INFO L137 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 28, calls inlined = 5, statements flattened = 67 [2021-11-20 05:48:38,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:48:38,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:48:38,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:48:38,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:48:38,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:48:38,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:48:38,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:48:38,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:48:38,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (1/1) ... [2021-11-20 05:48:38,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:38,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:39,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:39,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:48:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:48:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:48:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:48:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:48:39,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:48:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:48:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:48:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:48:39,187 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:48:39,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:48:39,353 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:48:39,360 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:48:39,360 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:48:39,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:39 BoogieIcfgContainer [2021-11-20 05:48:39,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:48:39,364 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:48:39,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:48:39,367 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:48:39,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:39,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:48:37" (1/3) ... [2021-11-20 05:48:39,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@193ac878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:48:39, skipping insertion in model container [2021-11-20 05:48:39,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:39,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:38" (2/3) ... [2021-11-20 05:48:39,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@193ac878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:48:39, skipping insertion in model container [2021-11-20 05:48:39,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:48:39,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:39" (3/3) ... [2021-11-20 05:48:39,373 INFO L388 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2021-11-20 05:48:39,419 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:48:39,420 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:48:39,420 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:48:39,420 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:48:39,420 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:48:39,420 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:48:39,420 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:48:39,421 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:48:39,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) 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) [2021-11-20 05:48:39,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 05:48:39,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:39,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:39,475 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:39,476 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:39,476 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:48:39,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) 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) [2021-11-20 05:48:39,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 05:48:39,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:39,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:39,479 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:39,479 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:39,485 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 14#L526true assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 7#L529true entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 8#L766true assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 12#L767-3true [2021-11-20 05:48:39,485 INFO L793 eck$LassoCheckResult]: Loop: 12#L767-3true assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 18#L526-1true assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 19#L529-1true entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 16#L769true assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 13#L767-2true entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 12#L767-3true [2021-11-20 05:48:39,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:39,492 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-11-20 05:48:39,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:39,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222890728] [2021-11-20 05:48:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:39,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:48:39,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:48:39,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222890728] [2021-11-20 05:48:39,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222890728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:48:39,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:48:39,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:48:39,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224570906] [2021-11-20 05:48:39,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:48:39,779 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:48:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2021-11-20 05:48:39,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:39,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199582641] [2021-11-20 05:48:39,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:39,808 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:39,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:48:40,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:48:40,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:48:40,359 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2021-11-20 05:48:40,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:48:40,455 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-11-20 05:48:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:48:40,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 45 transitions. [2021-11-20 05:48:40,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-20 05:48:40,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 20 states and 23 transitions. [2021-11-20 05:48:40,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-20 05:48:40,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-20 05:48:40,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-11-20 05:48:40,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:48:40,487 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 05:48:40,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-11-20 05:48:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2021-11-20 05:48:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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) [2021-11-20 05:48:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-20 05:48:40,509 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 05:48:40,510 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-20 05:48:40,510 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:48:40,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2021-11-20 05:48:40,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 05:48:40,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:40,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:40,511 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:40,511 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 05:48:40,512 INFO L791 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 78#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 77#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 74#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 75#L767-3 [2021-11-20 05:48:40,512 INFO L793 eck$LassoCheckResult]: Loop: 75#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 79#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 82#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 81#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 80#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 75#L767-3 [2021-11-20 05:48:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2021-11-20 05:48:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686669484] [2021-11-20 05:48:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,528 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2021-11-20 05:48:40,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960252355] [2021-11-20 05:48:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:40,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2021-11-20 05:48:40,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:40,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32596326] [2021-11-20 05:48:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:40,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,632 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:40,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:41,350 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:48:41,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:48:41,351 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:48:41,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:48:41,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:48:41,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:41,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:48:41,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:48:41,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2021-11-20 05:48:41,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:48:41,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:48:41,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:41,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:42,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:48:42,211 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:48:42,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,225 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 [2021-11-20 05:48:42,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:42,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:42,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:42,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:48:42,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,307 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 [2021-11-20 05:48:42,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:42,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:42,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:48:42,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,388 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 [2021-11-20 05:48:42,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:42,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:48:42,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,467 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 [2021-11-20 05:48:42,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:42,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:48:42,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,570 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 [2021-11-20 05:48:42,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:42,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:42,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:42,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:48:42,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:48:42,649 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 [2021-11-20 05:48:42,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:42,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,736 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:48:42,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:48:42,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:42,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:42,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:42,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,800 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:48:42,802 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 [2021-11-20 05:48:42,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:42,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,872 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,885 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 [2021-11-20 05:48:42,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:48:42,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:42,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:42,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:42,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:42,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:42,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:42,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:48:42,956 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 [2021-11-20 05:48:42,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:42,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:42,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:42,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:42,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:42,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:43,010 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:48:43,041 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-20 05:48:43,041 INFO L444 ModelExtractionUtils]: 31 out of 40 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-20 05:48:43,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:43,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:43,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:48:43,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:48:43,149 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:48:43,150 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:48:43,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0#1, ULTIMATE.start_entry_point_~i~0#1) = 1*ULTIMATE.start_entry_point_~len~0#1 - 1*ULTIMATE.start_entry_point_~i~0#1 Supporting invariants [] [2021-11-20 05:48:43,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:43,225 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-20 05:48:43,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:48:43,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:48:43,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:48:43,415 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 [2021-11-20 05:48:43,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 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) [2021-11-20 05:48:43,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:43,471 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. 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 21 states and 26 transitions. Complement of second has 4 states. [2021-11-20 05:48:43,472 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 [2021-11-20 05:48:43,473 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) [2021-11-20 05:48:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-11-20 05:48:43,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2021-11-20 05:48:43,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:43,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2021-11-20 05:48:43,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:43,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2021-11-20 05:48:43,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:43,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2021-11-20 05:48:43,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:48:43,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-11-20 05:48:43,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 05:48:43,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-20 05:48:43,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-11-20 05:48:43,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:48:43,482 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 05:48:43,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-11-20 05:48:43,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-20 05:48:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 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) [2021-11-20 05:48:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-20 05:48:43,485 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 05:48:43,485 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 05:48:43,485 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:48:43,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-11-20 05:48:43,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:48:43,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:43,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:43,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:48:43,488 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:48:43,488 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 186#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 183#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 184#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 185#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 190#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 193#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 191#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 180#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 181#L774-3 [2021-11-20 05:48:43,488 INFO L793 eck$LassoCheckResult]: Loop: 181#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 182#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 181#L774-3 [2021-11-20 05:48:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2021-11-20 05:48:43,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683078254] [2021-11-20 05:48:43,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,504 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:43,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2021-11-20 05:48:43,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662038240] [2021-11-20 05:48:43,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:43,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2021-11-20 05:48:43,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204169091] [2021-11-20 05:48:43,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:48:43,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:48:43,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204169091] [2021-11-20 05:48:43,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204169091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:48:43,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:48:43,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:48:43,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081950885] [2021-11-20 05:48:43,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:48:43,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:48:43,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:48:43,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:48:43,627 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:48:43,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:48:43,658 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-11-20 05:48:43,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:48:43,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-11-20 05:48:43,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:48:43,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2021-11-20 05:48:43,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-20 05:48:43,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-20 05:48:43,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-11-20 05:48:43,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:48:43,663 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-20 05:48:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-11-20 05:48:43,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2021-11-20 05:48:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:48:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-20 05:48:43,666 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:48:43,666 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:48:43,666 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 05:48:43,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-20 05:48:43,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:48:43,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:43,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:43,668 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:48:43,668 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:48:43,669 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 240#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 237#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 238#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 239#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 243#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 248#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 246#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 241#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 242#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 244#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 247#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 245#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 234#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 235#L774-3 [2021-11-20 05:48:43,669 INFO L793 eck$LassoCheckResult]: Loop: 235#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 236#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 235#L774-3 [2021-11-20 05:48:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2021-11-20 05:48:43,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801341776] [2021-11-20 05:48:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:48:43,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:48:43,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801341776] [2021-11-20 05:48:43,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801341776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:48:43,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:48:43,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:48:43,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485698687] [2021-11-20 05:48:43,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:48:43,729 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:48:43,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2021-11-20 05:48:43,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668593050] [2021-11-20 05:48:43,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:43,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:48:43,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:48:43,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:48:43,783 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-11-20 05:48:43,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:48:43,815 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2021-11-20 05:48:43,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:48:43,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2021-11-20 05:48:43,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 05:48:43,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2021-11-20 05:48:43,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-20 05:48:43,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-20 05:48:43,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-11-20 05:48:43,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:48:43,820 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-11-20 05:48:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-11-20 05:48:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-11-20 05:48:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:48:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-20 05:48:43,822 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-20 05:48:43,822 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-20 05:48:43,822 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 05:48:43,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2021-11-20 05:48:43,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:48:43,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:48:43,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:48:43,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:48:43,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:48:43,824 INFO L791 eck$LassoCheckResult]: Stem: 282#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := 1, 0;call #Ultimate.allocInit(8, 1);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;assume { :begin_inline_entry_point } true;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset, entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset, entry_point_#t~post39#1, entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset, entry_point_#t~post41#1, entry_point_~len~0#1, entry_point_~array~0#1.base, entry_point_~array~0#1.offset, entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~i~0#1, entry_point_~j~0#1;entry_point_~len~0#1 := 10;assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4 * entry_point_~len~0#1;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 290#L526 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 286#L529 entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~array~0#1.base, entry_point_~array~0#1.offset := entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_#t~ret38#1.base, entry_point_#t~ret38#1.offset;havoc entry_point_~p~0#1.base, entry_point_~p~0#1.offset;entry_point_~i~0#1 := 0;havoc entry_point_~j~0#1; 287#L766 assume !(entry_point_~array~0#1.base == 0 && entry_point_~array~0#1.offset == 0); 288#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 291#L526-1 assume 0 != ldv_malloc_#t~nondet11#1;havoc ldv_malloc_#t~nondet11#1;call ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset := #Ultimate.allocOnHeap(ldv_malloc_~size#1);ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset;havoc ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset; 298#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 296#L769 assume !(entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0);call write~$Pointer$(entry_point_~p~0#1.base, entry_point_~p~0#1.offset, entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~i~0#1, 4); 294#L767-2 entry_point_#t~post39#1 := entry_point_~i~0#1;entry_point_~i~0#1 := 1 + entry_point_#t~post39#1;havoc entry_point_#t~post39#1; 292#L767-3 assume !!(entry_point_~i~0#1 < entry_point_~len~0#1);assume { :begin_inline_ldv_malloc } true;ldv_malloc_#in~size#1 := 4;havoc ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;havoc ldv_malloc_#t~nondet11#1, ldv_malloc_#t~malloc12#1.base, ldv_malloc_#t~malloc12#1.offset, ldv_malloc_~size#1;ldv_malloc_~size#1 := ldv_malloc_#in~size#1; 293#L526-1 assume !(0 != ldv_malloc_#t~nondet11#1);havoc ldv_malloc_#t~nondet11#1;ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset := 0, 0; 297#L529-1 entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset := ldv_malloc_#res#1.base, ldv_malloc_#res#1.offset;assume { :end_inline_ldv_malloc } true;entry_point_~p~0#1.base, entry_point_~p~0#1.offset := entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset;havoc entry_point_#t~ret40#1.base, entry_point_#t~ret40#1.offset; 295#L769 assume entry_point_~p~0#1.base == 0 && entry_point_~p~0#1.offset == 0; 284#L769-1 entry_point_~j~0#1 := entry_point_~i~0#1 - 1; 285#L774-3 [2021-11-20 05:48:43,824 INFO L793 eck$LassoCheckResult]: Loop: 285#L774-3 assume !!(entry_point_~j~0#1 >= 0);call entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset := read~$Pointer$(entry_point_~array~0#1.base, entry_point_~array~0#1.offset + 4 * entry_point_~j~0#1, 4);call ULTIMATE.dealloc(entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset);havoc entry_point_#t~mem42#1.base, entry_point_#t~mem42#1.offset; 289#L774-2 entry_point_#t~post41#1 := entry_point_~j~0#1;entry_point_~j~0#1 := entry_point_#t~post41#1 - 1;havoc entry_point_#t~post41#1; 285#L774-3 [2021-11-20 05:48:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2021-11-20 05:48:43,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371762681] [2021-11-20 05:48:43,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:43,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2021-11-20 05:48:43,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187865809] [2021-11-20 05:48:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:43,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:43,871 INFO L85 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2021-11-20 05:48:43,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:43,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067956852] [2021-11-20 05:48:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:43,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,887 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:48:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:48:43,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:48:44,857 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:48:44,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:48:44,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:48:44,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:48:44,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:48:44,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:44,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:48:44,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:48:44,858 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2021-11-20 05:48:44,859 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:48:44,859 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:48:44,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:44,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:48:45,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:48:45,667 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:48:45,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:45,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:45,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:45,683 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 [2021-11-20 05:48:45,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:45,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:45,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:45,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:45,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:45,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:45,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:45,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:48:45,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:45,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:45,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:45,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:45,750 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:45,757 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 [2021-11-20 05:48:45,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:45,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:45,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:45,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:45,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:45,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:45,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:48:45,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:45,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:45,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:45,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:45,816 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:45,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:48:45,837 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 [2021-11-20 05:48:45,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:45,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:45,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:45,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:45,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:45,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:45,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:45,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:45,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:45,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:45,902 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:45,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:48:45,904 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 [2021-11-20 05:48:45,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:45,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:45,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:45,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:45,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:45,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:45,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:45,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:45,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:45,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:45,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:45,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:45,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:48:45,947 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 [2021-11-20 05:48:45,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:45,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:45,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:45,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:45,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:45,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:45,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,007 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:48:46,017 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 [2021-11-20 05:48:46,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,055 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:48:46,057 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 [2021-11-20 05:48:46,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,117 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,122 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 [2021-11-20 05:48:46,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:48:46,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-20 05:48:46,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,161 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:48:46,173 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 [2021-11-20 05:48:46,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,203 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:48:46,205 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 [2021-11-20 05:48:46,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,286 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,291 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 [2021-11-20 05:48:46,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:48:46,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-20 05:48:46,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,330 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:48:46,334 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 [2021-11-20 05:48:46,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,381 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:48:46,395 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 [2021-11-20 05:48:46,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 05:48:46,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,431 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:48:46,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:48:46,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,471 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:48:46,480 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 [2021-11-20 05:48:46,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,489 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-11-20 05:48:46,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,497 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:48:46,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,571 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,575 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 [2021-11-20 05:48:46,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:48:46,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,648 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,652 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 [2021-11-20 05:48:46,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:48:46,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:46,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,721 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,727 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 [2021-11-20 05:48:46,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 05:48:46,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 05:48:46,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,801 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 05:48:46,804 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 [2021-11-20 05:48:46,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 05:48:46,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,864 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,871 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 [2021-11-20 05:48:46,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 05:48:46,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 05:48:46,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,913 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 05:48:46,915 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 [2021-11-20 05:48:46,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:46,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:46,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:46,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:46,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 05:48:46,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:46,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:46,949 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:46,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 05:48:46,957 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 [2021-11-20 05:48:46,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:46,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:46,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:46,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:46,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:46,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:46,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:47,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 05:48:47,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,005 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 05:48:47,007 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 [2021-11-20 05:48:47,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:47,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:47,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:47,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:47,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:47,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:47,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:47,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:47,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,094 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,102 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 [2021-11-20 05:48:47,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:47,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:47,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:47,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:47,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:47,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:47,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 05:48:47,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:47,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-20 05:48:47,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,172 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,175 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 [2021-11-20 05:48:47,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 05:48:47,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:47,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:48:47,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:47,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:47,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:47,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:48:47,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:48:47,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:47,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 05:48:47,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,221 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 05:48:47,223 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 [2021-11-20 05:48:47,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:47,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:47,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:47,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:47,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:47,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:47,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:48:47,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:47,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,311 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,319 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 [2021-11-20 05:48:47,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:48:47,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:48:47,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:48:47,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:48:47,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:48:47,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:48:47,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 05:48:47,362 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:48:47,406 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-11-20 05:48:47,407 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-11-20 05:48:47,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:48:47,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:48:47,408 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:48:47,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:48:47,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 05:48:47,435 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:48:47,435 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:48:47,435 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0#1, v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2) = 2*ULTIMATE.start_entry_point_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0#1.base)_2 Supporting invariants [] [2021-11-20 05:48:47,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:47,491 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-20 05:48:47,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:47,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:48:47,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:47,593 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:48:47,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:48:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:48:47,626 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 [2021-11-20 05:48:47,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 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) [2021-11-20 05:48:47,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. 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 19 states and 22 transitions. Complement of second has 4 states. [2021-11-20 05:48:47,642 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 [2021-11-20 05:48:47,645 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) [2021-11-20 05:48:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-11-20 05:48:47,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2021-11-20 05:48:47,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:47,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2021-11-20 05:48:47,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:47,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-20 05:48:47,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:48:47,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-11-20 05:48:47,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:48:47,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-11-20 05:48:47,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:48:47,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:48:47,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:48:47,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:48:47,651 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:47,652 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:47,652 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:48:47,652 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 05:48:47,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:48:47,652 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:48:47,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:48:47,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:48:47 BoogieIcfgContainer [2021-11-20 05:48:47,662 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:48:47,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:48:47,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:48:47,663 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:48:47,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:39" (3/4) ... [2021-11-20 05:48:47,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:48:47,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:48:47,669 INFO L158 Benchmark]: Toolchain (without parser) took 9709.07ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 67.3MB in the beginning and 70.7MB in the end (delta: -3.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,671 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:48:47,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.60ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 67.3MB in the beginning and 92.9MB in the end (delta: -25.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.32ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 90.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,674 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 89.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,674 INFO L158 Benchmark]: RCFGBuilder took 409.69ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 78.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,675 INFO L158 Benchmark]: BuchiAutomizer took 8298.14ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 78.2MB in the beginning and 71.7MB in the end (delta: 6.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,675 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:48:47,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.60ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 67.3MB in the beginning and 92.9MB in the end (delta: -25.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.32ms. Allocated memory is still 130.0MB. Free memory was 92.9MB in the beginning and 90.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 89.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.69ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 78.2MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8298.14ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 78.2MB in the beginning and 71.7MB in the end (delta: 6.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 159.4MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + len and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[array] + 2 * j and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 7.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 89 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital239 mio100 ax112 hnf101 lsp82 ukn61 mio100 lsp54 div100 bol100 ite100 ukn100 eq190 hnf91 smp100 dnf104 smp95 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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! [2021-11-20 05:48:47,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 05:48:47,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c227d4a-1acf-4620-8573-a195c3789a65/bin/uautomizer-DQz5hQGWxF/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