./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcat_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcat_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 158b8eceb7a2c63c12c3387b55d354bdd17828549d94e13b163dfb4b9ee8e19c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:02:44,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:02:44,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:02:44,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:02:44,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:02:44,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:02:44,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:02:44,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:02:44,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:02:44,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:02:44,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:02:44,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:02:44,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:02:44,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:02:44,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:02:44,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:02:44,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:02:44,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:02:44,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:02:44,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:02:44,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:02:44,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:02:44,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:02:44,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:02:44,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:02:44,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:02:44,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:02:44,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:02:44,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:02:44,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:02:44,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:02:44,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:02:44,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:02:44,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:02:44,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:02:44,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:02:44,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:02:44,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:02:44,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:02:44,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:02:44,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:02:44,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 18:02:44,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:02:44,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:02:44,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:02:44,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:02:44,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:02:44,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:02:44,473 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:02:44,473 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:02:44,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:02:44,473 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:02:44,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:02:44,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:02:44,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:02:44,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:02:44,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:02:44,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:02:44,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:02:44,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:02:44,476 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_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158b8eceb7a2c63c12c3387b55d354bdd17828549d94e13b163dfb4b9ee8e19c [2021-12-06 18:02:44,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:02:44,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:02:44,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:02:44,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:02:44,702 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:02:44,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-12-06 18:02:44,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/data/b936d9085/d33b7a96a01843499a69fb9e27536b58/FLAGcfc907b5f [2021-12-06 18:02:45,141 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:02:45,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-12-06 18:02:45,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/data/b936d9085/d33b7a96a01843499a69fb9e27536b58/FLAGcfc907b5f [2021-12-06 18:02:45,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/data/b936d9085/d33b7a96a01843499a69fb9e27536b58 [2021-12-06 18:02:45,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:02:45,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:02:45,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:02:45,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:02:45,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:02:45,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c47d92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45, skipping insertion in model container [2021-12-06 18:02:45,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:02:45,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:02:45,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:02:45,443 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:02:45,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:02:45,499 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:02:45,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45 WrapperNode [2021-12-06 18:02:45,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:02:45,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:02:45,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:02:45,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:02:45,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,537 INFO L137 Inliner]: procedures = 114, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2021-12-06 18:02:45,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:02:45,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:02:45,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:02:45,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:02:45,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:02:45,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:02:45,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:02:45,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:02:45,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (1/1) ... [2021-12-06 18:02:45,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:45,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:45,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:02:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:02:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:02:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:02:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:02:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:02:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:02:45,703 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:02:45,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:02:45,847 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:02:45,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:02:45,853 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 18:02:45,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:45 BoogieIcfgContainer [2021-12-06 18:02:45,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:02:45,856 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:02:45,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:02:45,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:02:45,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:02:45,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:02:45" (1/3) ... [2021-12-06 18:02:45,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f8e152b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:02:45, skipping insertion in model container [2021-12-06 18:02:45,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:02:45,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:45" (2/3) ... [2021-12-06 18:02:45,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f8e152b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:02:45, skipping insertion in model container [2021-12-06 18:02:45,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:02:45,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:45" (3/3) ... [2021-12-06 18:02:45,862 INFO L388 chiAutomizerObserver]: Analyzing ICFG strcat_short.i [2021-12-06 18:02:45,901 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:02:45,901 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:02:45,901 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:02:45,901 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:02:45,901 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:02:45,901 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:02:45,901 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:02:45,901 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:02:45,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-12-06 18:02:45,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:02:45,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:45,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:45,932 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 18:02:45,932 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:02:45,932 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:02:45,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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) [2021-12-06 18:02:45,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:02:45,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:45,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:45,934 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 18:02:45,934 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:02:45,939 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; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out_end~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 10#L523true assume !(main_~in_len~0#1 < 1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 9#L527true assume !(main_~out_len~0#1 < 1);main_~out_end~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 6#L529true assume !(main_~out_len~0#1 < main_~out_end~0#1 + main_~in_len~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + main_~out_end~0#1, 1);assume { :begin_inline_strcat } true;strcat_#in~s#1.base, strcat_#in~s#1.offset, strcat_#in~t#1.base, strcat_#in~t#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcat_#res#1.base, strcat_#res#1.offset;havoc strcat_#t~ret5#1, strcat_#t~mem6#1, strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset, strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset, strcat_~s#1.base, strcat_~s#1.offset, strcat_~t#1.base, strcat_~t#1.offset, strcat_~dest~0#1.base, strcat_~dest~0#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_#in~s#1.base, strcat_#in~s#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_#in~t#1.base, strcat_#in~t#1.offset;strcat_~dest~0#1.base, strcat_~dest~0#1.offset := strcat_~s#1.base, strcat_~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 14#L508true assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 12#L509-4true [2021-12-06 18:02:45,939 INFO L793 eck$LassoCheckResult]: Loop: 12#L509-4true call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 16#L509-1true assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 11#L509-3true strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 12#L509-4true [2021-12-06 18:02:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:45,944 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-12-06 18:02:45,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:45,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694370645] [2021-12-06 18:02:45,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:45,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:46,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:46,081 INFO L85 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2021-12-06 18:02:46,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:46,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323660551] [2021-12-06 18:02:46,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:46,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,087 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:46,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2021-12-06 18:02:46,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:46,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694459538] [2021-12-06 18:02:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:46,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:46,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:46,768 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:02:46,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:02:46,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:02:46,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:02:46,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:02:46,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:46,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:02:46,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:02:46,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration1_Lasso [2021-12-06 18:02:46,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:02:46,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:02:46,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:46,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:46,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:46,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:46,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:47,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:02:47,290 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:02:47,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:02:47,294 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 [2021-12-06 18:02:47,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:47,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:47,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:47,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:47,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:02:47,331 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 [2021-12-06 18:02:47,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:47,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,339 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:02:47,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,340 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:02:47,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:47,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:02:47,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,361 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:02:47,363 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 [2021-12-06 18:02:47,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:02:47,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:02:47,412 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 [2021-12-06 18:02:47,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:02:47,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:02:47,446 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 [2021-12-06 18:02:47,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:02:47,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,481 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:02:47,482 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 [2021-12-06 18:02:47,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:02:47,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:02:47,528 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 [2021-12-06 18:02:47,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:47,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:02:47,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:02:47,562 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 [2021-12-06 18:02:47,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:47,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:47,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:47,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:47,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:47,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:47,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:02:47,629 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 18:02:47,629 INFO L444 ModelExtractionUtils]: 19 out of 55 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-12-06 18:02:47,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:47,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:47,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:02:47,633 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:02:47,642 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 18:02:47,642 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:02:47,643 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2021-12-06 18:02:47,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:02:47,684 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-12-06 18:02:47,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:47,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 18:02:47,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:47,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:47,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:02:47,819 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 18:02:47,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:47,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:47,896 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 60 transitions. Complement of second has 8 states. [2021-12-06 18:02:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:02:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2021-12-06 18:02:47,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 18:02:47,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:47,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-06 18:02:47,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:47,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 6 letters. [2021-12-06 18:02:47,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:47,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2021-12-06 18:02:47,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:02:47,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2021-12-06 18:02:47,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-06 18:02:47,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 18:02:47,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-12-06 18:02:47,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:02:47,911 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-12-06 18:02:47,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-12-06 18:02:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-12-06 18:02:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-12-06 18:02:47,930 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-06 18:02:47,930 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-12-06 18:02:47,930 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:02:47,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-12-06 18:02:47,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:47,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:47,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:47,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:02:47,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:02:47,931 INFO L791 eck$LassoCheckResult]: Stem: 162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out_end~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 166#L523 assume !(main_~in_len~0#1 < 1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 167#L527 assume !(main_~out_len~0#1 < 1);main_~out_end~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 164#L529 assume !(main_~out_len~0#1 < main_~out_end~0#1 + main_~in_len~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + main_~out_end~0#1, 1);assume { :begin_inline_strcat } true;strcat_#in~s#1.base, strcat_#in~s#1.offset, strcat_#in~t#1.base, strcat_#in~t#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcat_#res#1.base, strcat_#res#1.offset;havoc strcat_#t~ret5#1, strcat_#t~mem6#1, strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset, strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset, strcat_~s#1.base, strcat_~s#1.offset, strcat_~t#1.base, strcat_~t#1.offset, strcat_~dest~0#1.base, strcat_~dest~0#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_#in~s#1.base, strcat_#in~s#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_#in~t#1.base, strcat_#in~t#1.offset;strcat_~dest~0#1.base, strcat_~dest~0#1.offset := strcat_~s#1.base, strcat_~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 165#L508 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 174#L510 strcat_#t~ret5#1 := strlen_#res#1;assume { :end_inline_strlen } true;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset + (if strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 else strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strcat_#t~ret5#1; 175#L516-2 [2021-12-06 18:02:47,931 INFO L793 eck$LassoCheckResult]: Loop: 175#L516-2 assume !false;call strcat_#t~mem6#1 := read~int(strcat_~t#1.base, strcat_~t#1.offset, 1);call write~int(strcat_#t~mem6#1, strcat_~s#1.base, strcat_~s#1.offset, 1); 176#L517 assume !(0 == strcat_#t~mem6#1);havoc strcat_#t~mem6#1;strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;havoc strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset;strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;havoc strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset; 175#L516-2 [2021-12-06 18:02:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2021-12-06 18:02:47,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:47,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305612513] [2021-12-06 18:02:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:47,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:02:47,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:02:47,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305612513] [2021-12-06 18:02:47,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305612513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:02:47,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:02:47,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:02:47,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996223607] [2021-12-06 18:02:47,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:02:47,985 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:02:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:47,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2021-12-06 18:02:47,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:47,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154312611] [2021-12-06 18:02:47,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:47,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:47,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:47,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:02:48,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:02:48,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:02:48,068 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-12-06 18:02:48,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:02:48,084 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-12-06 18:02:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:02:48,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-12-06 18:02:48,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:48,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2021-12-06 18:02:48,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-06 18:02:48,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-06 18:02:48,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-12-06 18:02:48,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:02:48,087 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-12-06 18:02:48,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-12-06 18:02:48,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-12-06 18:02:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-12-06 18:02:48,089 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-12-06 18:02:48,089 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-12-06 18:02:48,089 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:02:48,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-12-06 18:02:48,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:48,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:48,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:48,090 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:02:48,090 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:02:48,091 INFO L791 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 202#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out_end~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 205#L523 assume !(main_~in_len~0#1 < 1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 206#L527 assume !(main_~out_len~0#1 < 1);main_~out_end~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 203#L529 assume !(main_~out_len~0#1 < main_~out_end~0#1 + main_~in_len~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + main_~out_end~0#1, 1);assume { :begin_inline_strcat } true;strcat_#in~s#1.base, strcat_#in~s#1.offset, strcat_#in~t#1.base, strcat_#in~t#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcat_#res#1.base, strcat_#res#1.offset;havoc strcat_#t~ret5#1, strcat_#t~mem6#1, strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset, strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset, strcat_~s#1.base, strcat_~s#1.offset, strcat_~t#1.base, strcat_~t#1.offset, strcat_~dest~0#1.base, strcat_~dest~0#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_#in~s#1.base, strcat_#in~s#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_#in~t#1.base, strcat_#in~t#1.offset;strcat_~dest~0#1.base, strcat_~dest~0#1.offset := strcat_~s#1.base, strcat_~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 204#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 209#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 210#L509-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 212#L509-5 strlen_#res#1 := strlen_~i~0#1; 213#L510 strcat_#t~ret5#1 := strlen_#res#1;assume { :end_inline_strlen } true;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset + (if strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 else strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strcat_#t~ret5#1; 214#L516-2 [2021-12-06 18:02:48,091 INFO L793 eck$LassoCheckResult]: Loop: 214#L516-2 assume !false;call strcat_#t~mem6#1 := read~int(strcat_~t#1.base, strcat_~t#1.offset, 1);call write~int(strcat_#t~mem6#1, strcat_~s#1.base, strcat_~s#1.offset, 1); 215#L517 assume !(0 == strcat_#t~mem6#1);havoc strcat_#t~mem6#1;strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;havoc strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset;strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;havoc strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset; 214#L516-2 [2021-12-06 18:02:48,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:48,091 INFO L85 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2021-12-06 18:02:48,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:48,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527094818] [2021-12-06 18:02:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:48,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,128 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2021-12-06 18:02:48,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:48,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710292109] [2021-12-06 18:02:48,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:48,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,163 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,168 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:48,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1497947671, now seen corresponding path program 1 times [2021-12-06 18:02:48,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:48,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910870595] [2021-12-06 18:02:48,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:48,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:48,229 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:48,903 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:02:48,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:02:48,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:02:48,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:02:48,904 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:02:48,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:48,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:02:48,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:02:48,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration3_Lasso [2021-12-06 18:02:48,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:02:48,904 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:02:48,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:48,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:49,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:02:49,604 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:02:49,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:02:49,606 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 [2021-12-06 18:02:49,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:02:49,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,636 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:02:49,637 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 [2021-12-06 18:02:49,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 18:02:49,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,665 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:02:49,666 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 [2021-12-06 18:02:49,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:02:49,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,693 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:02:49,695 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 [2021-12-06 18:02:49,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:49,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:49,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:02:49,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,725 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:02:49,726 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 [2021-12-06 18:02:49,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 18:02:49,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,754 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:02:49,755 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 [2021-12-06 18:02:49,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 18:02:49,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,782 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:02:49,784 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 [2021-12-06 18:02:49,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 18:02:49,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,812 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:02:49,813 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 [2021-12-06 18:02:49,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:02:49,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,841 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:02:49,842 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 [2021-12-06 18:02:49,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 18:02:49,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,871 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:02:49,873 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 [2021-12-06 18:02:49,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 18:02:49,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,900 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:02:49,901 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 [2021-12-06 18:02:49,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 18:02:49,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,929 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:02:49,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:02:49,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:49,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:49,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 18:02:49,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,959 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:02:49,961 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 [2021-12-06 18:02:49,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:49,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:49,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:49,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:49,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 18:02:49,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:49,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:49,989 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:02:49,990 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 [2021-12-06 18:02:49,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:49,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:49,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:49,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:49,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:49,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:50,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:50,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 18:02:50,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:50,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:50,020 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:50,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:02:50,021 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 [2021-12-06 18:02:50,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:50,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:50,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:50,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:50,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:50,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:50,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:50,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:50,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 18:02:50,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:50,049 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:50,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:02:50,051 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 [2021-12-06 18:02:50,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:50,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:50,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:50,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:50,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:50,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:50,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:50,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:50,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:50,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:50,078 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:50,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:02:50,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:02:50,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:50,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:50,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:50,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:50,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:50,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:50,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:02:50,154 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-06 18:02:50,155 INFO L444 ModelExtractionUtils]: 36 out of 58 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-06 18:02:50,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:50,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:50,156 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:50,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:02:50,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:02:50,164 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 18:02:50,165 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:02:50,165 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_strcat_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_strcat_~s#1.offset Supporting invariants [] [2021-12-06 18:02:50,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:50,248 INFO L297 tatePredicateManager]: 20 out of 22 supporting invariants were superfluous and have been removed [2021-12-06 18:02:50,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 18:02:50,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-06 18:02:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:50,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 18:02:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:02:50,405 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-06 18:02:50,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-06 18:02:50,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 29 transitions. Complement of second has 11 states. [2021-12-06 18:02:50,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:02:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-06 18:02:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 20 transitions. [2021-12-06 18:02:50,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-06 18:02:50,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:50,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-06 18:02:50,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:50,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 10 letters. Loop has 4 letters. [2021-12-06 18:02:50,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:50,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2021-12-06 18:02:50,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:50,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 20 transitions. [2021-12-06 18:02:50,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-06 18:02:50,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-06 18:02:50,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 20 transitions. [2021-12-06 18:02:50,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:02:50,514 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-12-06 18:02:50,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 20 transitions. [2021-12-06 18:02:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2021-12-06 18:02:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 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) [2021-12-06 18:02:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-12-06 18:02:50,516 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-06 18:02:50,516 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-12-06 18:02:50,516 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:02:50,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2021-12-06 18:02:50,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:50,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:50,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:50,516 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:02:50,517 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:02:50,517 INFO L791 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out_end~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 420#L523 assume !(main_~in_len~0#1 < 1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 421#L527 assume !(main_~out_len~0#1 < 1);main_~out_end~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 418#L529 assume !(main_~out_len~0#1 < main_~out_end~0#1 + main_~in_len~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + main_~out_end~0#1, 1);assume { :begin_inline_strcat } true;strcat_#in~s#1.base, strcat_#in~s#1.offset, strcat_#in~t#1.base, strcat_#in~t#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcat_#res#1.base, strcat_#res#1.offset;havoc strcat_#t~ret5#1, strcat_#t~mem6#1, strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset, strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset, strcat_~s#1.base, strcat_~s#1.offset, strcat_~t#1.base, strcat_~t#1.offset, strcat_~dest~0#1.base, strcat_~dest~0#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_#in~s#1.base, strcat_#in~s#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_#in~t#1.base, strcat_#in~t#1.offset;strcat_~dest~0#1.base, strcat_~dest~0#1.offset := strcat_~s#1.base, strcat_~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 419#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 424#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 425#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 422#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 423#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 426#L509-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 427#L509-5 strlen_#res#1 := strlen_~i~0#1; 428#L510 strcat_#t~ret5#1 := strlen_#res#1;assume { :end_inline_strlen } true;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset + (if strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 else strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strcat_#t~ret5#1; 429#L516-2 [2021-12-06 18:02:50,517 INFO L793 eck$LassoCheckResult]: Loop: 429#L516-2 assume !false;call strcat_#t~mem6#1 := read~int(strcat_~t#1.base, strcat_~t#1.offset, 1);call write~int(strcat_#t~mem6#1, strcat_~s#1.base, strcat_~s#1.offset, 1); 430#L517 assume !(0 == strcat_#t~mem6#1);havoc strcat_#t~mem6#1;strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;havoc strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset;strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;havoc strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset; 429#L516-2 [2021-12-06 18:02:50,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash -755103244, now seen corresponding path program 1 times [2021-12-06 18:02:50,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:50,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906321783] [2021-12-06 18:02:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:50,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,532 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 3 times [2021-12-06 18:02:50,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:50,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453948283] [2021-12-06 18:02:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:50,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,551 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 195257049, now seen corresponding path program 1 times [2021-12-06 18:02:50,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:50,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690346625] [2021-12-06 18:02:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:50,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:50,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:51,300 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:02:51,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:02:51,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:02:51,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:02:51,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:02:51,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:51,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:02:51,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:02:51,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration4_Lasso [2021-12-06 18:02:51,301 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:02:51,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:02:51,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:51,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:52,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:02:52,089 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:02:52,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,089 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:02:52,092 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 [2021-12-06 18:02:52,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 18:02:52,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,136 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:02:52,137 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 [2021-12-06 18:02:52,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:52,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:52,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:52,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:52,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,165 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 18:02:52,166 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 [2021-12-06 18:02:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:52,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:52,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:52,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 18:02:52,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,193 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 18:02:52,194 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 [2021-12-06 18:02:52,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 18:02:52,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,223 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 18:02:52,225 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 [2021-12-06 18:02:52,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 18:02:52,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,255 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 18:02:52,256 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 [2021-12-06 18:02:52,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:52,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,263 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:02:52,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,264 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:02:52,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:52,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 18:02:52,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,284 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 18:02:52,285 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 [2021-12-06 18:02:52,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:52,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,315 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 18:02:52,316 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 [2021-12-06 18:02:52,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 18:02:52,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,362 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 18:02:52,363 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 [2021-12-06 18:02:52,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:52,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 18:02:52,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,396 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 18:02:52,397 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 [2021-12-06 18:02:52,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:52,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:52,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:52,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:52,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:52,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:52,437 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:02:52,476 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-06 18:02:52,476 INFO L444 ModelExtractionUtils]: 47 out of 67 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-12-06 18:02:52,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:52,477 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:52,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 18:02:52,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:02:52,488 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:02:52,488 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:02:52,489 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_strcat_~s#1.offset) = 5*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 2*ULTIMATE.start_strcat_~s#1.offset Supporting invariants [-2*ULTIMATE.start_strcat_~s#1.offset + 2*v_rep(select #length ULTIMATE.start_strcat_~t#1.base)_2 + 3*ULTIMATE.start_strcat_~t#1.offset >= 0] [2021-12-06 18:02:52,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 18:02:52,577 INFO L297 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2021-12-06 18:02:52,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:52,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 30 conjunts are in the unsatisfiable core [2021-12-06 18:02:52,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:52,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 18:02:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:52,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 18:02:52,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:02:52,794 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-12-06 18:02:52,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-12-06 18:02:52,920 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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 28 states and 31 transitions. Complement of second has 12 states. [2021-12-06 18:02:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:02:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-12-06 18:02:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 22 transitions. [2021-12-06 18:02:52,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 22 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-06 18:02:52,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:52,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 22 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-06 18:02:52,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:52,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 22 transitions. Stem has 13 letters. Loop has 4 letters. [2021-12-06 18:02:52,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:52,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2021-12-06 18:02:52,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:52,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 22 transitions. [2021-12-06 18:02:52,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-06 18:02:52,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-06 18:02:52,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 22 transitions. [2021-12-06 18:02:52,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:02:52,923 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-12-06 18:02:52,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 22 transitions. [2021-12-06 18:02:52,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2021-12-06 18:02:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 17 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) [2021-12-06 18:02:52,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-12-06 18:02:52,925 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-12-06 18:02:52,925 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-12-06 18:02:52,925 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 18:02:52,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 19 transitions. [2021-12-06 18:02:52,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:02:52,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:02:52,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:02:52,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:02:52,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:02:52,926 INFO L791 eck$LassoCheckResult]: Stem: 657#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 658#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out_end~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 661#L523 assume !(main_~in_len~0#1 < 1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 662#L527 assume !(main_~out_len~0#1 < 1);main_~out_end~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 659#L529 assume !(main_~out_len~0#1 < main_~out_end~0#1 + main_~in_len~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + main_~out_end~0#1, 1);assume { :begin_inline_strcat } true;strcat_#in~s#1.base, strcat_#in~s#1.offset, strcat_#in~t#1.base, strcat_#in~t#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcat_#res#1.base, strcat_#res#1.offset;havoc strcat_#t~ret5#1, strcat_#t~mem6#1, strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset, strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset, strcat_~s#1.base, strcat_~s#1.offset, strcat_~t#1.base, strcat_~t#1.offset, strcat_~dest~0#1.base, strcat_~dest~0#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_#in~s#1.base, strcat_#in~s#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_#in~t#1.base, strcat_#in~t#1.offset;strcat_~dest~0#1.base, strcat_~dest~0#1.offset := strcat_~s#1.base, strcat_~s#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 660#L508 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 665#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 666#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 663#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 664#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 667#L509-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 673#L509-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 674#L509-4 call strlen_#t~mem4#1 := read~int(strlen_~s#1.base, strlen_~s#1.offset, 1); 672#L509-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 668#L509-5 strlen_#res#1 := strlen_~i~0#1; 669#L510 strcat_#t~ret5#1 := strlen_#res#1;assume { :end_inline_strlen } true;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, strcat_~s#1.offset + (if strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 else strcat_#t~ret5#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strcat_#t~ret5#1; 670#L516-2 [2021-12-06 18:02:52,926 INFO L793 eck$LassoCheckResult]: Loop: 670#L516-2 assume !false;call strcat_#t~mem6#1 := read~int(strcat_~t#1.base, strcat_~t#1.offset, 1);call write~int(strcat_#t~mem6#1, strcat_~s#1.base, strcat_~s#1.offset, 1); 671#L517 assume !(0 == strcat_#t~mem6#1);havoc strcat_#t~mem6#1;strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;strcat_~s#1.base, strcat_~s#1.offset := strcat_~s#1.base, 1 + strcat_~s#1.offset;havoc strcat_#t~pre7#1.base, strcat_#t~pre7#1.offset;strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;strcat_~t#1.base, strcat_~t#1.offset := strcat_~t#1.base, 1 + strcat_~t#1.offset;havoc strcat_#t~pre8#1.base, strcat_#t~pre8#1.offset; 670#L516-2 [2021-12-06 18:02:52,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:52,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1811160434, now seen corresponding path program 2 times [2021-12-06 18:02:52,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:52,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138450099] [2021-12-06 18:02:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:52,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:52,940 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:52,960 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 4 times [2021-12-06 18:02:52,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:52,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870981154] [2021-12-06 18:02:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:52,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:52,964 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:52,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:52,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:52,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1063423703, now seen corresponding path program 2 times [2021-12-06 18:02:52,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:02:52,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322162783] [2021-12-06 18:02:52,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:02:52,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:02:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:52,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:02:53,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 18:02:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:02:53,017 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:02:53,728 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:02:53,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:02:53,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:02:53,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:02:53,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:02:53,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:53,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:02:53,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:02:53,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration5_Lasso [2021-12-06 18:02:53,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:02:53,728 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:02:53,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:53,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:02:54,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:02:54,435 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:02:54,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,437 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 18:02:54,438 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 [2021-12-06 18:02:54,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 18:02:54,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,465 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 18:02:54,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:02:54,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,495 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 18:02:54,496 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 [2021-12-06 18:02:54,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 18:02:54,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,523 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 18:02:54,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:02:54,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:54,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:54,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 18:02:54,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,553 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 18:02:54,554 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 [2021-12-06 18:02:54,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 18:02:54,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,581 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 18:02:54,583 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 [2021-12-06 18:02:54,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,609 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 18:02:54,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:02:54,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:54,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:54,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 18:02:54,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,639 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 18:02:54,640 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 [2021-12-06 18:02:54,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 18:02:54,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,667 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 18:02:54,668 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 [2021-12-06 18:02:54,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,698 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 18:02:54,699 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 [2021-12-06 18:02:54,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,726 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 18:02:54,727 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 [2021-12-06 18:02:54,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 18:02:54,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,754 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 18:02:54,756 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 [2021-12-06 18:02:54,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 18:02:54,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,783 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 18:02:54,784 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 [2021-12-06 18:02:54,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 18:02:54,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,811 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 18:02:54,812 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 [2021-12-06 18:02:54,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 18:02:54,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,838 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 18:02:54,840 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 [2021-12-06 18:02:54,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:02:54,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:02:54,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:02:54,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 18:02:54,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,867 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 18:02:54,868 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 [2021-12-06 18:02:54,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:54,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:54,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:02:54,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 18:02:54,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,912 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 18:02:54,913 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 [2021-12-06 18:02:54,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:02:54,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:02:54,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:02:54,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:02:54,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:02:54,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:02:54,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:02:54,967 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-06 18:02:54,967 INFO L444 ModelExtractionUtils]: 20 out of 64 variables were initially zero. Simplification set additionally 41 variables to zero. [2021-12-06 18:02:54,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:02:54,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:02:54,968 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:02:54,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 18:02:54,969 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:02:54,977 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 18:02:54,977 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:02:54,977 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcat_~t#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4) = -1*ULTIMATE.start_strcat_~t#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4 Supporting invariants [] [2021-12-06 18:02:54,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 18:02:55,078 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-12-06 18:02:55,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 18:02:55,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:02:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:55,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:55,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:02:55,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:02:55,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:02:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:02:55,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:02:55,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 19 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:55,163 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 19 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 22 transitions. Complement of second has 5 states. [2021-12-06 18:02:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:02:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:02:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-12-06 18:02:55,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:02:55,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:55,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:02:55,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:55,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 18:02:55,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:02:55,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2021-12-06 18:02:55,165 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:02:55,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:02:55,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:02:55,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:02:55,166 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 18:02:55,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:02:55,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:02:55,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:02:55,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:02:55 BoogieIcfgContainer [2021-12-06 18:02:55,171 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:02:55,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:02:55,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:02:55,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:02:55,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:45" (3/4) ... [2021-12-06 18:02:55,175 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:02:55,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:02:55,175 INFO L158 Benchmark]: Toolchain (without parser) took 10008.48ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 68.5MB in the beginning and 89.3MB in the end (delta: -20.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,176 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:02:55,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.65ms. Allocated memory is still 111.1MB. Free memory was 68.3MB in the beginning and 78.0MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.69ms. Allocated memory is still 111.1MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,176 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 74.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,177 INFO L158 Benchmark]: RCFGBuilder took 290.26ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 63.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,177 INFO L158 Benchmark]: BuchiAutomizer took 9315.56ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 90.4MB in the end (delta: -27.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-12-06 18:02:55,177 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:02:55,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.65ms. Allocated memory is still 111.1MB. Free memory was 68.3MB in the beginning and 78.0MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.69ms. Allocated memory is still 111.1MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 74.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.26ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 63.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9315.56ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 63.3MB in the beginning and 90.4MB in the end (delta: -27.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 138.4MB. Free memory was 90.4MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. 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 (1 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 9 locations. One deterministic module has affine ranking function 5 * unknown-#length-unknown[__builtin_alloca (out_len)] + -2 * s and consists of 10 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * t and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 8.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 53 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax100 hnf100 lsp96 ukn87 mio100 lsp48 div116 bol100 ite100 ukn100 eq184 hnf83 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 12 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 18:02:55,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efca1f13-c291-411f-b5b0-d1b090e68858/bin/uautomizer-DrprNOufMa/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