./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f68b319d77fa756392ca29e618a1e0accd9b6c9e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:04:30,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:04:30,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:04:30,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:04:30,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:04:30,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:04:30,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:04:30,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:04:30,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:04:30,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:04:30,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:04:30,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:04:30,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:04:30,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:04:30,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:04:30,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:04:30,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:04:30,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:04:30,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:04:30,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:04:30,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:04:30,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:04:30,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:04:30,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:04:30,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:04:30,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:04:30,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:04:30,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:04:30,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:04:30,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:04:30,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:04:30,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:04:30,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:04:30,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:04:30,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:04:30,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:04:30,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:04:30,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:04:30,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:04:30,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:04:30,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:04:30,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:04:30,717 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:04:30,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:04:30,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:04:30,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:04:30,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:04:30,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:04:30,720 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:04:30,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:04:30,720 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:04:30,720 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:04:30,721 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:04:30,721 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:04:30,721 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:04:30,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:04:30,722 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:04:30,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:04:30,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:04:30,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:04:30,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:04:30,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:04:30,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:04:30,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:04:30,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:04:30,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:04:30,724 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:04:30,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:04:30,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:04:30,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:04:30,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:04:30,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:04:30,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:04:30,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:04:30,727 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:04:30,727 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_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2021-10-13 01:04:30,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:04:30,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:04:30,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:04:30,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:04:31,000 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:04:31,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-10-13 01:04:31,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/data/76f6d3dcc/6081948b74fc40ac9970ef761b4b94a7/FLAG43711b38b [2021-10-13 01:04:31,547 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:04:31,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-10-13 01:04:31,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/data/76f6d3dcc/6081948b74fc40ac9970ef761b4b94a7/FLAG43711b38b [2021-10-13 01:04:31,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/data/76f6d3dcc/6081948b74fc40ac9970ef761b4b94a7 [2021-10-13 01:04:31,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:04:31,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:04:31,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:04:31,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:04:31,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:04:31,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:04:31" (1/1) ... [2021-10-13 01:04:31,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577478fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:31, skipping insertion in model container [2021-10-13 01:04:31,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:04:31" (1/1) ... [2021-10-13 01:04:31,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:04:31,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:04:32,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:04:32,263 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:04:32,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:04:32,380 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:04:32,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32 WrapperNode [2021-10-13 01:04:32,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:04:32,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:04:32,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:04:32,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:04:32,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:04:32,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:04:32,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:04:32,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:04:32,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:04:32,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:04:32,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:04:32,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:04:32,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (1/1) ... [2021-10-13 01:04:32,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:32,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:32,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:04:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:04:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:04:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:04:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:04:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:04:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:04:32,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:04:32,872 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 01:04:32,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:04:32 BoogieIcfgContainer [2021-10-13 01:04:32,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:04:32,875 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:04:32,875 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:04:32,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:04:32,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:04:32,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:04:31" (1/3) ... [2021-10-13 01:04:32,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20ca919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:04:32, skipping insertion in model container [2021-10-13 01:04:32,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:04:32,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:32" (2/3) ... [2021-10-13 01:04:32,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20ca919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:04:32, skipping insertion in model container [2021-10-13 01:04:32,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:04:32,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:04:32" (3/3) ... [2021-10-13 01:04:32,883 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca-1.i [2021-10-13 01:04:32,940 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:04:32,940 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:04:32,941 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:04:32,941 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:04:32,941 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:04:32,941 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:04:32,941 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:04:32,941 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:04:32,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:33,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-13 01:04:33,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:33,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:33,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:04:33,013 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:04:33,013 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:04:33,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:33,019 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-13 01:04:33,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:33,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:33,020 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:04:33,020 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:04:33,028 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 13#L524true assume !(main_~length1~0 < 1); 18#L524-2true assume !(main_~length2~0 < 1); 6#L527-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 14#L533-3true [2021-10-13 01:04:33,029 INFO L793 eck$LassoCheckResult]: Loop: 14#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 3#L533-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 14#L533-3true [2021-10-13 01:04:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-13 01:04:33,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:33,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37768460] [2021-10-13 01:04:33,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:33,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,196 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,253 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:33,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-13 01:04:33,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:33,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613538057] [2021-10-13 01:04:33,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:33,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,286 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:33,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-13 01:04:33,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:33,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171329910] [2021-10-13 01:04:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:33,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,352 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:33,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:33,952 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:04:33,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:04:33,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:04:33,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:04:33,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:04:33,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:33,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:04:33,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:04:33,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration1_Lasso [2021-10-13 01:04:33,954 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:04:33,954 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:04:33,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:33,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:33,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:33,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:34,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:04:34,449 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:04:34,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:34,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:34,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:34,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:04:34,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:34,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:34,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:34,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:04:34,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:04:34,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:34,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:34,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:34,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:34,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:34,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:04:34,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:04:34,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:34,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:34,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:04:34,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:34,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:34,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:34,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:34,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:34,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:34,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:34,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:34,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:34,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:34,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:34,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:34,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:04:34,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:34,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:34,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:04:35,022 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-13 01:04:35,023 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-13 01:04:35,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:35,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:35,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:35,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:04:35,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:04:35,144 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:04:35,144 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:04:35,144 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-13 01:04:35,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:35,197 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 01:04:35,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:35,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:04:35,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:35,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:04:35,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:04:35,323 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:04:35,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-10-13 01:04:35,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 45 states and 64 transitions. Complement of second has 7 states. [2021-10-13 01:04:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:04:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-10-13 01:04:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-10-13 01:04:35,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 01:04:35,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:35,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 01:04:35,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:35,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 01:04:35,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:35,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2021-10-13 01:04:35,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 01:04:35,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 15 states and 20 transitions. [2021-10-13 01:04:35,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 01:04:35,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-13 01:04:35,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-10-13 01:04:35,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:04:35,391 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-13 01:04:35,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-10-13 01:04:35,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-13 01:04:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-10-13 01:04:35,412 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-13 01:04:35,412 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-10-13 01:04:35,412 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:04:35,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-10-13 01:04:35,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 01:04:35,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:35,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:35,414 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:04:35,414 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 01:04:35,414 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 139#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L524 assume !(main_~length1~0 < 1); 149#L524-2 assume !(main_~length2~0 < 1); 140#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 141#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 148#L533-4 main_~i~1 := 0; 145#L537-3 [2021-10-13 01:04:35,414 INFO L793 eck$LassoCheckResult]: Loop: 145#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 146#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 145#L537-3 [2021-10-13 01:04:35,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:35,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-13 01:04:35,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:35,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705356803] [2021-10-13 01:04:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:35,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,429 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,444 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:35,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:35,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-13 01:04:35,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:35,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982310455] [2021-10-13 01:04:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:35,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,462 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:35,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:35,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-13 01:04:35,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:35,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161408089] [2021-10-13 01:04:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:35,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,508 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:35,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:35,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:35,891 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:04:35,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:04:35,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:04:35,892 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:04:35,892 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:04:35,892 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:35,892 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:04:35,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:04:35,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration2_Lasso [2021-10-13 01:04:35,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:04:35,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:04:35,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:35,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:36,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:04:36,275 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:04:36,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:36,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:36,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:04:36,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,345 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:36,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:36,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:04:36,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,412 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:36,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:36,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:36,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:04:36,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,493 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:36,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:36,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:04:36,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,554 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:36,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:36,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:04:36,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,624 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:36,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:36,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:04:36,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,693 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,699 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 [2021-10-13 01:04:36,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:36,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:36,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:04:36,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,755 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:04:36,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:36,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:36,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,826 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:04:36,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:36,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:36,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:36,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:36,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:36,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,876 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:04:36,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:36,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:36,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:36,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:36,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:36,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:36,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:36,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:04:36,959 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-13 01:04:36,959 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-13 01:04:36,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:36,965 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:36,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:04:36,998 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:04:37,013 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:04:37,013 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:04:37,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-10-13 01:04:37,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:37,051 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 01:04:37,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:04:37,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:37,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:04:37,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:04:37,141 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 01:04:37,141 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:37,159 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 6 states. [2021-10-13 01:04:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:04:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-13 01:04:37,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 01:04:37,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:37,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-13 01:04:37,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:37,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-13 01:04:37,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:37,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2021-10-13 01:04:37,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:37,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2021-10-13 01:04:37,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-13 01:04:37,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 01:04:37,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-10-13 01:04:37,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:04:37,164 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-13 01:04:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-10-13 01:04:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-13 01:04:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-10-13 01:04:37,167 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-13 01:04:37,167 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-13 01:04:37,167 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:04:37,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-10-13 01:04:37,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:37,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:37,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:37,168 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:04:37,168 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:04:37,169 INFO L791 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 249#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 258#L524 assume !(main_~length1~0 < 1); 261#L524-2 assume !(main_~length2~0 < 1); 250#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 251#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 259#L533-4 main_~i~1 := 0; 255#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 252#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 253#L516-3 [2021-10-13 01:04:37,169 INFO L793 eck$LassoCheckResult]: Loop: 253#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 254#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 260#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 253#L516-3 [2021-10-13 01:04:37,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-13 01:04:37,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647681638] [2021-10-13 01:04:37,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,185 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,203 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 1 times [2021-10-13 01:04:37,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266301843] [2021-10-13 01:04:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,212 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,220 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:37,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,221 INFO L82 PathProgramCache]: Analyzing trace with hash -296047681, now seen corresponding path program 1 times [2021-10-13 01:04:37,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837009563] [2021-10-13 01:04:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:37,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:04:37,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:04:37,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837009563] [2021-10-13 01:04:37,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837009563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:04:37,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:04:37,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:04:37,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550006246] [2021-10-13 01:04:37,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:04:37,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:04:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:04:37,631 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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) [2021-10-13 01:04:37,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:04:37,723 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-10-13 01:04:37,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:04:37,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-10-13 01:04:37,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:37,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2021-10-13 01:04:37,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 01:04:37,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 01:04:37,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-10-13 01:04:37,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:04:37,730 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-10-13 01:04:37,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-10-13 01:04:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-13 01:04:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-13 01:04:37,733 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-13 01:04:37,733 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-13 01:04:37,733 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:04:37,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-13 01:04:37,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:37,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:37,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:37,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:04:37,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:04:37,735 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 306#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 315#L524 assume !(main_~length1~0 < 1); 317#L524-2 assume !(main_~length2~0 < 1); 307#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 308#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 303#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 304#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 318#L533-4 main_~i~1 := 0; 312#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 309#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 310#L516-3 [2021-10-13 01:04:37,735 INFO L793 eck$LassoCheckResult]: Loop: 310#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 311#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 316#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 310#L516-3 [2021-10-13 01:04:37,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-13 01:04:37,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698118738] [2021-10-13 01:04:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,774 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 2 times [2021-10-13 01:04:37,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845098259] [2021-10-13 01:04:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,809 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:37,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:37,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1311502365, now seen corresponding path program 1 times [2021-10-13 01:04:37,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:37,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492989309] [2021-10-13 01:04:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:37,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:04:37,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:04:37,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492989309] [2021-10-13 01:04:37,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492989309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:04:37,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:04:37,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 01:04:37,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075547092] [2021-10-13 01:04:38,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:04:38,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 01:04:38,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:04:38,100 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:04:38,197 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-13 01:04:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:04:38,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-10-13 01:04:38,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:38,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-10-13 01:04:38,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 01:04:38,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-13 01:04:38,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-10-13 01:04:38,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:04:38,201 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-10-13 01:04:38,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-10-13 01:04:38,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-13 01:04:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:04:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-10-13 01:04:38,203 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-13 01:04:38,203 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-10-13 01:04:38,203 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:04:38,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-10-13 01:04:38,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:04:38,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:04:38,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:04:38,204 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:04:38,205 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:04:38,205 INFO L791 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 374#L524 assume !(main_~length1~0 < 1); 376#L524-2 assume !(main_~length2~0 < 1); 366#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 367#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 362#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 363#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 377#L533-4 main_~i~1 := 0; 371#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 372#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 373#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 368#L537-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset; 369#L516-3 [2021-10-13 01:04:38,205 INFO L793 eck$LassoCheckResult]: Loop: 369#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 370#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 375#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 369#L516-3 [2021-10-13 01:04:38,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:38,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-10-13 01:04:38,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:38,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153251342] [2021-10-13 01:04:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:38,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,219 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:38,234 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 3 times [2021-10-13 01:04:38,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:38,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177069404] [2021-10-13 01:04:38,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:38,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,239 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:38,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:38,246 INFO L82 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2021-10-13 01:04:38,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:04:38,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11114311] [2021-10-13 01:04:38,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:04:38,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:04:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,269 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:04:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:04:38,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:39,384 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:04:39,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:04:39,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:04:39,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:04:39,385 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:04:39,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:39,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:04:39,385 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:04:39,385 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration5_Lasso [2021-10-13 01:04:39,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:04:39,385 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:04:39,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:39,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:40,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:40,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:04:40,744 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:04:40,744 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:04:40,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,753 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:04:40,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:40,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,793 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:04:40,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 01:04:40,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,829 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:04:40,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:40,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,858 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:04:40,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:40,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:40,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 01:04:40,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,909 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:04:40,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:40,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,939 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:04:40,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-13 01:04:40,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:40,970 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:40,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:40,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:04:40,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:40,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:40,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:40,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:40,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:40,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:40,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:40,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:40,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:04:40,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:40,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,000 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:04:41,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 01:04:41,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,039 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:04:41,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 01:04:41,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,070 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:04:41,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 01:04:41,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,101 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:04:41,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:04:41,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,171 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:04:41,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:04:41,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,202 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:04:41,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,232 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:04:41,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 01:04:41,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,264 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:04:41,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,329 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,331 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 [2021-10-13 01:04:41,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:04:41,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,389 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:04:41,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 01:04:41,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,441 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:04:41,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 01:04:41,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,487 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:04:41,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:04:41,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,516 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:04:41,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,548 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:04:41,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,606 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:04:41,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,648 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:04:41,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 01:04:41,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,677 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:04:41,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:04:41,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:04:41,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:04:41,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:41,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,714 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:04:41,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-13 01:04:41,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,748 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:04:41,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:04:41,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,783 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:04:41,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 01:04:41,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,815 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:04:41,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-13 01:04:41,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,898 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:04:41,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 01:04:41,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,962 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:41,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:04:41,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:41,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:41,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:41,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:41,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:41,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:41,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:04:41,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 01:04:41,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:41,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:41,998 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:42,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:04:42,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:04:42,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:04:42,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:04:42,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:04:42,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:04:42,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:04:42,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:04:42,060 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:04:42,130 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-13 01:04:42,130 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-10-13 01:04:42,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:04:42,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:04:42,131 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:04:42,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:04:42,133 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:04:42,141 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:04:42,141 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:04:42,142 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2021-10-13 01:04:42,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 01:04:42,273 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2021-10-13 01:04:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:04:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:42,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:04:42,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:04:42,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:04:42,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:04:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:04:42,441 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:04:42,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-13 01:04:42,466 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) Result 20 states and 24 transitions. Complement of second has 6 states. [2021-10-13 01:04:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:04:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2021-10-13 01:04:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-13 01:04:42,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 3 letters. [2021-10-13 01:04:42,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:42,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 3 letters. [2021-10-13 01:04:42,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:42,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 6 letters. [2021-10-13 01:04:42,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:04:42,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-10-13 01:04:42,469 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:04:42,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-10-13 01:04:42,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:04:42,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:04:42,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:04:42,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:04:42,470 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:04:42,470 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:04:42,470 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:04:42,470 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:04:42,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:04:42,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:04:42,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:04:42,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:04:42 BoogieIcfgContainer [2021-10-13 01:04:42,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:04:42,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:04:42,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:04:42,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:04:42,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:04:32" (3/4) ... [2021-10-13 01:04:42,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:04:42,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:04:42,488 INFO L168 Benchmark]: Toolchain (without parser) took 10590.54 ms. Allocated memory was 111.1 MB in the beginning and 172.0 MB in the end (delta: 60.8 MB). Free memory was 71.2 MB in the beginning and 84.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,488 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory was 89.4 MB in the beginning and 89.3 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:04:42,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.86 ms. Allocated memory is still 111.1 MB. Free memory was 71.1 MB in the beginning and 78.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.56 ms. Allocated memory is still 111.1 MB. Free memory was 78.5 MB in the beginning and 76.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,489 INFO L168 Benchmark]: Boogie Preprocessor took 42.66 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 74.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:04:42,489 INFO L168 Benchmark]: RCFGBuilder took 366.61 ms. Allocated memory is still 111.1 MB. Free memory was 74.9 MB in the beginning and 63.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,490 INFO L168 Benchmark]: BuchiAutomizer took 9598.93 ms. Allocated memory was 111.1 MB in the beginning and 172.0 MB in the end (delta: 60.8 MB). Free memory was 63.8 MB in the beginning and 85.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,490 INFO L168 Benchmark]: Witness Printer took 12.44 ms. Allocated memory is still 172.0 MB. Free memory was 85.9 MB in the beginning and 84.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:42,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory was 89.4 MB in the beginning and 89.3 MB in the end (delta: 117.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.86 ms. Allocated memory is still 111.1 MB. Free memory was 71.1 MB in the beginning and 78.5 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.56 ms. Allocated memory is still 111.1 MB. Free memory was 78.5 MB in the beginning and 76.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.66 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 74.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 366.61 ms. Allocated memory is still 111.1 MB. Free memory was 74.9 MB in the beginning and 63.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9598.93 ms. Allocated memory was 111.1 MB in the beginning and 172.0 MB in the end (delta: 60.8 MB). Free memory was 63.8 MB in the beginning and 85.9 MB in the end (delta: -22.1 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. * Witness Printer took 12.44 ms. Allocated memory is still 172.0 MB. Free memory was 85.9 MB in the beginning and 84.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * s1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 15.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 106 SDslu, 117 SDs, 0 SdLazy, 111 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 100.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax111 hnf99 lsp83 ukn73 mio100 lsp50 div100 bol100 ite100 ukn100 eq176 hnf90 smp99 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:04:42,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-13 01:04:42,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45bcf1a5-62aa-4b69-8da5-6bc0dba247ae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...