./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b83d1547bf3dd46e9571984e7e0a13f5187eff03a7662628a99d75ecc5b0412 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:22:06,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:22:06,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:22:06,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:22:06,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:22:06,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:22:06,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:22:06,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:22:06,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:22:06,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:22:06,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:22:06,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:22:06,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:22:06,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:22:06,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:22:06,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:22:06,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:22:06,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:22:06,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:22:06,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:22:06,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:22:06,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:22:06,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:22:06,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:22:06,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:22:06,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:22:06,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:22:06,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:22:06,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:22:06,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:22:06,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:22:06,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:22:06,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:22:06,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:22:06,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:22:06,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:22:06,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:22:06,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:22:06,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:22:06,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:22:06,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:22:06,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:22:06,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:22:06,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:22:06,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:22:06,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:22:06,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:22:06,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:22:06,845 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:22:06,846 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:22:06,846 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:22:06,847 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:22:06,847 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:22:06,847 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:22:06,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:22:06,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:22:06,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:22:06,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:22:06,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:22:06,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:22:06,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:22:06,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:22:06,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:22:06,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:22:06,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:22:06,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:22:06,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:22:06,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:22:06,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:22:06,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:22:06,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:22:06,855 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:22:06,855 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_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b83d1547bf3dd46e9571984e7e0a13f5187eff03a7662628a99d75ecc5b0412 [2021-11-20 07:22:07,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:22:07,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:22:07,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:22:07,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:22:07,225 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:22:07,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2021-11-20 07:22:07,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/data/764b149c6/192dfc68eb3b4ecd84d79a099861326b/FLAG8216f3972 [2021-11-20 07:22:08,092 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:22:08,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2021-11-20 07:22:08,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/data/764b149c6/192dfc68eb3b4ecd84d79a099861326b/FLAG8216f3972 [2021-11-20 07:22:08,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/data/764b149c6/192dfc68eb3b4ecd84d79a099861326b [2021-11-20 07:22:08,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:22:08,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:22:08,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:22:08,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:22:08,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:22:08,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:08,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ae8b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08, skipping insertion in model container [2021-11-20 07:22:08,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:08,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:22:08,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:22:08,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:22:08,870 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:22:08,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:22:08,962 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:22:08,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08 WrapperNode [2021-11-20 07:22:08,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:22:08,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:22:08,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:22:08,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:22:08,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:08,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,020 INFO L137 Inliner]: procedures = 114, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-20 07:22:09,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:22:09,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:22:09,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:22:09,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:22:09,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:22:09,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:22:09,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:22:09,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:22:09,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (1/1) ... [2021-11-20 07:22:09,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:09,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:09,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:09,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:22:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:22:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:22:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:22:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:22:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:22:09,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:22:09,322 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:22:09,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:22:09,628 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:22:09,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:22:09,651 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 07:22:09,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:22:09 BoogieIcfgContainer [2021-11-20 07:22:09,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:22:09,655 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:22:09,655 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:22:09,659 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:22:09,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:09,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:22:08" (1/3) ... [2021-11-20 07:22:09,662 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11eb9be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:22:09, skipping insertion in model container [2021-11-20 07:22:09,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:09,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:08" (2/3) ... [2021-11-20 07:22:09,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11eb9be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:22:09, skipping insertion in model container [2021-11-20 07:22:09,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:09,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:22:09" (3/3) ... [2021-11-20 07:22:09,678 INFO L388 chiAutomizerObserver]: Analyzing ICFG strcasecmp.i [2021-11-20 07:22:09,792 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:22:09,792 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:22:09,792 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:22:09,792 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:22:09,792 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:22:09,793 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:22:09,793 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:22:09,793 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:22:09,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:09,835 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-20 07:22:09,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:09,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:09,843 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:22:09,843 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:09,843 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:22:09,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:09,846 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-11-20 07:22:09,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:09,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:09,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:22:09,847 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:09,855 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 16#L524true assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 10#L526-3true [2021-11-20 07:22:09,856 INFO L793 eck$LassoCheckResult]: Loop: 10#L526-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet9#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 6#L526-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 10#L526-3true [2021-11-20 07:22:09,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:09,864 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 07:22:09,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:09,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120262427] [2021-11-20 07:22:09,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:10,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-11-20 07:22:10,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:10,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235988110] [2021-11-20 07:22:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:10,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:10,099 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:10,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:10,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:10,126 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-11-20 07:22:10,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:10,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388089852] [2021-11-20 07:22:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:10,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:10,171 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:10,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:10,569 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:10,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:10,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:10,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:10,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:10,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:10,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:10,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:10,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcasecmp.i_Iteration1_Lasso [2021-11-20 07:22:10,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:10,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:10,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:10,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,096 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:11,104 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:11,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:22:11,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 07:22:11,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:22:11,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:22:11,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:22:11,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:11,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:11,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:22:11,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 07:22:11,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:22:11,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:22:11,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,554 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:22:11,559 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 [2021-11-20 07:22:11,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,597 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:22:11,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,642 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:22:11,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,683 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:22:11,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:11,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:11,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:11,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:11,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:22:11,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:11,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:11,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:11,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:11,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:11,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:11,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:11,784 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:11,816 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-20 07:22:11,816 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-20 07:22:11,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:11,830 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:22:11,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:11,865 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:22:11,865 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:11,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2021-11-20 07:22:11,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:11,919 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-20 07:22:11,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:11,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:22:11,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:11,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:11,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:12,050 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:22:12,051 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:12,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 89 transitions. Complement of second has 7 states. [2021-11-20 07:22:12,119 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 [2021-11-20 07:22:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-11-20 07:22:12,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 07:22:12,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:12,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 07:22:12,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:12,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:22:12,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:12,134 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 89 transitions. [2021-11-20 07:22:12,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 07:22:12,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 18 states and 23 transitions. [2021-11-20 07:22:12,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 07:22:12,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-20 07:22:12,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-11-20 07:22:12,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:12,158 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 07:22:12,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-11-20 07:22:12,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-20 07:22:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-11-20 07:22:12,194 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 07:22:12,194 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 07:22:12,194 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:22:12,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-11-20 07:22:12,197 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 07:22:12,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:12,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:12,198 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:22:12,198 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:12,198 INFO L791 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 151#L524 assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 148#L526-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 144#L526-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 145#L532 assume !(main_~out_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~1#1 := 0; 137#L534-3 [2021-11-20 07:22:12,199 INFO L793 eck$LassoCheckResult]: Loop: 137#L534-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet13#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 139#L534-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 137#L534-3 [2021-11-20 07:22:12,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2021-11-20 07:22:12,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:12,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147150381] [2021-11-20 07:22:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:12,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,239 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:12,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2021-11-20 07:22:12,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:12,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999395752] [2021-11-20 07:22:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:12,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,266 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,274 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:12,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:12,275 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2021-11-20 07:22:12,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:12,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137336191] [2021-11-20 07:22:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:12,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,293 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:12,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:12,918 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:12,918 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:12,918 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:12,918 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:12,918 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:12,919 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:12,919 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:12,919 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:12,919 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcasecmp.i_Iteration2_Lasso [2021-11-20 07:22:12,919 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:12,919 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:12,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:12,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:12,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:12,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:12,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:12,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,537 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:13,537 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:13,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,538 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:13,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:13,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:13,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:13,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:13,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:22:13,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:13,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,611 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:13,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:13,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:13,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:13,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:22:13,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:13,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:13,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:13,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:13,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:13,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:22:13,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:13,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,785 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,794 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 [2021-11-20 07:22:13,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:13,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:13,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:13,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:13,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:22:13,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:13,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,853 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:13,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:13,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:13,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:13,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:22:13,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:13,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:13,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:13,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:13,962 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:13,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:13,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:13,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:13,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:13,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:14,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:14,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:14,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:22:14,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:14,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:14,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:14,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:14,071 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:14,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:14,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:14,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:14,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:14,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:14,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:14,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:14,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:22:14,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:14,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:14,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:14,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:14,162 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:14,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:14,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:14,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:14,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:14,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:14,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:14,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:14,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:14,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:22:14,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:14,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:14,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:14,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:14,237 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:14,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:14,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:14,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:14,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:14,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:14,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:14,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:14,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:14,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:22:14,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:14,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:14,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:14,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:14,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:14,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:14,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:14,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:14,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:14,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:14,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:22:14,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:14,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:14,376 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:14,414 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-20 07:22:14,415 INFO L444 ModelExtractionUtils]: 19 out of 37 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-20 07:22:14,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:14,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:14,417 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:14,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:22:14,418 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:14,427 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:22:14,428 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:14,428 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~out_len~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~out_len~0#1 Supporting invariants [] [2021-11-20 07:22:14,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:14,494 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-20 07:22:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:14,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:22:14,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:14,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:14,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:14,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:22:14,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:14,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 39 transitions. Complement of second has 6 states. [2021-11-20 07:22:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:22:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-11-20 07:22:14,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-20 07:22:14,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:14,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-20 07:22:14,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:14,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 07:22:14,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:14,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 39 transitions. [2021-11-20 07:22:14,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:14,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 19 states and 25 transitions. [2021-11-20 07:22:14,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:22:14,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:22:14,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-11-20 07:22:14,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:14,638 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-20 07:22:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-11-20 07:22:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-20 07:22:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-20 07:22:14,643 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-20 07:22:14,643 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-20 07:22:14,643 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:22:14,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-11-20 07:22:14,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:14,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:14,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:14,645 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:14,645 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:14,645 INFO L791 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 271#L524 assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 270#L526-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 264#L526-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 265#L532 assume !(main_~out_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~1#1 := 0; 258#L534-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 259#L534-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcasecmp } true;strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset, strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcasecmp_#res#1;havoc strcasecmp_#t~mem2#1, strcasecmp_#t~mem3#1, strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset, strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset, strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, strcasecmp_~x2~0#1, strcasecmp_~x1~0#1;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset;havoc strcasecmp_~x2~0#1;havoc strcasecmp_~x1~0#1; 274#L511-2 [2021-11-20 07:22:14,647 INFO L793 eck$LassoCheckResult]: Loop: 274#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 275#L512 assume strcasecmp_~x2~0#1 % 4294967296 < 26;strcasecmp_~x2~0#1 := 32 + strcasecmp_~x2~0#1; 268#L512-2 call strcasecmp_#t~mem3#1 := read~int(strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, 1);strcasecmp_~x1~0#1 := strcasecmp_#t~mem3#1 - 65;havoc strcasecmp_#t~mem3#1; 269#L513 assume strcasecmp_~x1~0#1 % 4294967296 < 26;strcasecmp_~x1~0#1 := 32 + strcasecmp_~x1~0#1; 276#L513-2 strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset := strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#t~post4#1.base, 1 + strcasecmp_#t~post4#1.offset;havoc strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset;strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset := strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#t~post5#1.base, 1 + strcasecmp_#t~post5#1.offset;havoc strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset; 272#L515 assume !(strcasecmp_~x2~0#1 % 4294967296 != strcasecmp_~x1~0#1 % 4294967296); 273#L517 assume !(4294967231 == strcasecmp_~x1~0#1 % 4294967296); 274#L511-2 [2021-11-20 07:22:14,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash 180614358, now seen corresponding path program 1 times [2021-11-20 07:22:14,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:14,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826774105] [2021-11-20 07:22:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:14,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:14,688 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:14,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -471896131, now seen corresponding path program 1 times [2021-11-20 07:22:14,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:14,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534570284] [2021-11-20 07:22:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:14,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:14,787 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:14,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:14,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:14,818 INFO L85 PathProgramCache]: Analyzing trace with hash -723824312, now seen corresponding path program 1 times [2021-11-20 07:22:14,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:14,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306989621] [2021-11-20 07:22:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:14,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:15,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:15,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306989621] [2021-11-20 07:22:15,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306989621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:15,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:15,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:22:15,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143911804] [2021-11-20 07:22:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:15,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:15,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:15,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:22:15,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:22:15,397 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:15,532 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2021-11-20 07:22:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:22:15,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 45 transitions. [2021-11-20 07:22:15,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-11-20 07:22:15,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 45 transitions. [2021-11-20 07:22:15,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-11-20 07:22:15,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-20 07:22:15,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2021-11-20 07:22:15,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:15,539 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-11-20 07:22:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2021-11-20 07:22:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 22. [2021-11-20 07:22:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-20 07:22:15,542 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 07:22:15,542 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 07:22:15,542 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:22:15,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-20 07:22:15,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:15,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:15,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:15,547 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:15,547 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:15,547 INFO L791 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 338#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 346#L524 assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 343#L526-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 339#L526-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 340#L532 assume !(main_~out_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~1#1 := 0; 330#L534-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 331#L534-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcasecmp } true;strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset, strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcasecmp_#res#1;havoc strcasecmp_#t~mem2#1, strcasecmp_#t~mem3#1, strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset, strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset, strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, strcasecmp_~x2~0#1, strcasecmp_~x1~0#1;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset;havoc strcasecmp_~x2~0#1;havoc strcasecmp_~x1~0#1; 351#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 350#L512 assume !(strcasecmp_~x2~0#1 % 4294967296 < 26); 341#L512-2 [2021-11-20 07:22:15,547 INFO L793 eck$LassoCheckResult]: Loop: 341#L512-2 call strcasecmp_#t~mem3#1 := read~int(strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, 1);strcasecmp_~x1~0#1 := strcasecmp_#t~mem3#1 - 65;havoc strcasecmp_#t~mem3#1; 342#L513 assume strcasecmp_~x1~0#1 % 4294967296 < 26;strcasecmp_~x1~0#1 := 32 + strcasecmp_~x1~0#1; 349#L513-2 strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset := strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#t~post4#1.base, 1 + strcasecmp_#t~post4#1.offset;havoc strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset;strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset := strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#t~post5#1.base, 1 + strcasecmp_#t~post5#1.offset;havoc strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset; 344#L515 assume !(strcasecmp_~x2~0#1 % 4294967296 != strcasecmp_~x1~0#1 % 4294967296); 345#L517 assume !(4294967231 == strcasecmp_~x1~0#1 % 4294967296); 347#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 348#L512 assume strcasecmp_~x2~0#1 % 4294967296 < 26;strcasecmp_~x2~0#1 := 32 + strcasecmp_~x2~0#1; 341#L512-2 [2021-11-20 07:22:15,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:15,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1771707771, now seen corresponding path program 1 times [2021-11-20 07:22:15,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:15,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381292990] [2021-11-20 07:22:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:15,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:15,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:15,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:15,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:15,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1652808163, now seen corresponding path program 2 times [2021-11-20 07:22:15,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:15,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384381742] [2021-11-20 07:22:15,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:15,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:15,620 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:15,653 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:15,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash -619806935, now seen corresponding path program 1 times [2021-11-20 07:22:15,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:15,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323810822] [2021-11-20 07:22:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:15,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:15,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:15,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323810822] [2021-11-20 07:22:15,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323810822] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:22:15,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267128654] [2021-11-20 07:22:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:15,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:15,812 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:15,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-20 07:22:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:15,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 07:22:15,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:15,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-20 07:22:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:16,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:22:16,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267128654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:16,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:22:16,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 12 [2021-11-20 07:22:16,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86584408] [2021-11-20 07:22:16,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:16,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:22:16,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:22:16,444 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:16,594 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2021-11-20 07:22:16,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:22:16,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2021-11-20 07:22:16,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:16,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 23 states and 28 transitions. [2021-11-20 07:22:16,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-20 07:22:16,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 07:22:16,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-20 07:22:16,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:16,605 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-20 07:22:16,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-20 07:22:16,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 07:22:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 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) [2021-11-20 07:22:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-20 07:22:16,610 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 07:22:16,610 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 07:22:16,610 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 07:22:16,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-20 07:22:16,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:16,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:16,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:16,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:16,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:16,614 INFO L791 eck$LassoCheckResult]: Stem: 474#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 475#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 481#L524 assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 480#L526-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet9#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 472#L526-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 473#L526-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 476#L526-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 477#L532 assume !(main_~out_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~1#1 := 0; 467#L534-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 468#L534-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcasecmp } true;strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset, strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcasecmp_#res#1;havoc strcasecmp_#t~mem2#1, strcasecmp_#t~mem3#1, strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset, strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset, strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, strcasecmp_~x2~0#1, strcasecmp_~x1~0#1;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset;havoc strcasecmp_~x2~0#1;havoc strcasecmp_~x1~0#1; 484#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 485#L512 assume !(strcasecmp_~x2~0#1 % 4294967296 < 26); 478#L512-2 [2021-11-20 07:22:16,614 INFO L793 eck$LassoCheckResult]: Loop: 478#L512-2 call strcasecmp_#t~mem3#1 := read~int(strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, 1);strcasecmp_~x1~0#1 := strcasecmp_#t~mem3#1 - 65;havoc strcasecmp_#t~mem3#1; 479#L513 assume strcasecmp_~x1~0#1 % 4294967296 < 26;strcasecmp_~x1~0#1 := 32 + strcasecmp_~x1~0#1; 486#L513-2 strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset := strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#t~post4#1.base, 1 + strcasecmp_#t~post4#1.offset;havoc strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset;strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset := strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#t~post5#1.base, 1 + strcasecmp_#t~post5#1.offset;havoc strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset; 482#L515 assume !(strcasecmp_~x2~0#1 % 4294967296 != strcasecmp_~x1~0#1 % 4294967296); 483#L517 assume !(4294967231 == strcasecmp_~x1~0#1 % 4294967296); 487#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 488#L512 assume strcasecmp_~x2~0#1 % 4294967296 < 26;strcasecmp_~x2~0#1 := 32 + strcasecmp_~x2~0#1; 478#L512-2 [2021-11-20 07:22:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:16,615 INFO L85 PathProgramCache]: Analyzing trace with hash 826888793, now seen corresponding path program 1 times [2021-11-20 07:22:16,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:16,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269470656] [2021-11-20 07:22:16,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:16,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:16,650 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:16,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:16,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1652808163, now seen corresponding path program 3 times [2021-11-20 07:22:16,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:16,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971656990] [2021-11-20 07:22:16,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:16,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:16,702 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:16,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:16,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:16,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1293831029, now seen corresponding path program 1 times [2021-11-20 07:22:16,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:16,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215016149] [2021-11-20 07:22:16,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:16,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:22:16,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:16,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215016149] [2021-11-20 07:22:16,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215016149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:16,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:16,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:22:16,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329371464] [2021-11-20 07:22:16,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:17,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:22:17,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:22:17,218 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:17,383 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2021-11-20 07:22:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:22:17,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 45 transitions. [2021-11-20 07:22:17,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-11-20 07:22:17,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 36 states and 43 transitions. [2021-11-20 07:22:17,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-11-20 07:22:17,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-20 07:22:17,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2021-11-20 07:22:17,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:17,389 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-11-20 07:22:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2021-11-20 07:22:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 24. [2021-11-20 07:22:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-20 07:22:17,392 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-20 07:22:17,392 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-20 07:22:17,392 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 07:22:17,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-11-20 07:22:17,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 07:22:17,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:17,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:17,394 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:17,394 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:17,394 INFO L791 eck$LassoCheckResult]: Stem: 556#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 557#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~1#1, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 565#L524 assume !(main_~in_len~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 562#L526-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet9#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 554#L526-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 555#L526-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 558#L526-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 559#L532 assume !(main_~out_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~1#1 := 0; 549#L534-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);call write~int(main_#t~nondet13#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet13#1; 551#L534-2 main_#t~post12#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 552#L534-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 553#L534-4 call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcasecmp } true;strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset, strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcasecmp_#res#1;havoc strcasecmp_#t~mem2#1, strcasecmp_#t~mem3#1, strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset, strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset, strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, strcasecmp_~x2~0#1, strcasecmp_~x1~0#1;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#in~s1#1.base, strcasecmp_#in~s1#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#in~s2#1.base, strcasecmp_#in~s2#1.offset;havoc strcasecmp_~x2~0#1;havoc strcasecmp_~x1~0#1; 566#L511-2 [2021-11-20 07:22:17,395 INFO L793 eck$LassoCheckResult]: Loop: 566#L511-2 assume !false;call strcasecmp_#t~mem2#1 := read~int(strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset, 1);strcasecmp_~x2~0#1 := strcasecmp_#t~mem2#1 - 65;havoc strcasecmp_#t~mem2#1; 567#L512 assume strcasecmp_~x2~0#1 % 4294967296 < 26;strcasecmp_~x2~0#1 := 32 + strcasecmp_~x2~0#1; 570#L512-2 call strcasecmp_#t~mem3#1 := read~int(strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset, 1);strcasecmp_~x1~0#1 := strcasecmp_#t~mem3#1 - 65;havoc strcasecmp_#t~mem3#1; 572#L513 assume strcasecmp_~x1~0#1 % 4294967296 < 26;strcasecmp_~x1~0#1 := 32 + strcasecmp_~x1~0#1; 568#L513-2 strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset := strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset;strcasecmp_~s1#1.base, strcasecmp_~s1#1.offset := strcasecmp_#t~post4#1.base, 1 + strcasecmp_#t~post4#1.offset;havoc strcasecmp_#t~post4#1.base, strcasecmp_#t~post4#1.offset;strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset := strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset;strcasecmp_~s2#1.base, strcasecmp_~s2#1.offset := strcasecmp_#t~post5#1.base, 1 + strcasecmp_#t~post5#1.offset;havoc strcasecmp_#t~post5#1.base, strcasecmp_#t~post5#1.offset; 563#L515 assume !(strcasecmp_~x2~0#1 % 4294967296 != strcasecmp_~x1~0#1 % 4294967296); 564#L517 assume !(4294967231 == strcasecmp_~x1~0#1 % 4294967296); 566#L511-2 [2021-11-20 07:22:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:17,395 INFO L85 PathProgramCache]: Analyzing trace with hash 826943990, now seen corresponding path program 1 times [2021-11-20 07:22:17,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:17,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928359040] [2021-11-20 07:22:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:17,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:17,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -471896131, now seen corresponding path program 4 times [2021-11-20 07:22:17,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:17,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89730546] [2021-11-20 07:22:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:17,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash 100997160, now seen corresponding path program 1 times [2021-11-20 07:22:17,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:17,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956382591] [2021-11-20 07:22:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:17,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,477 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:17,509 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:18,793 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:18,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:18,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:18,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:18,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:18,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:18,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:18,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:18,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcasecmp.i_Iteration6_Lasso [2021-11-20 07:22:18,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:18,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:18,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:18,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:19,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:19,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:19,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,897 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:22:19,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:19,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 07:22:19,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,946 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:22:19,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:19,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,005 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:22:20,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,044 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:22:20,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,126 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:22:20,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,203 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:22:20,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 07:22:20,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,270 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:22:20,273 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 [2021-11-20 07:22:20,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,309 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:22:20,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,348 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:22:20,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 07:22:20,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,401 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:22:20,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,442 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:22:20,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:20,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:20,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:20,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,530 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:22:20,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,607 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:22:20,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-20 07:22:20,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,666 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:22:20,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:22:20,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,722 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:20,787 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-20 07:22:20,788 INFO L444 ModelExtractionUtils]: 20 out of 40 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 07:22:20,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,793 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,797 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:20,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:22:20,823 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:22:20,824 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:20,824 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcasecmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2) = -1*ULTIMATE.start_strcasecmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_2 Supporting invariants [] [2021-11-20 07:22:20,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,920 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 07:22:20,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:20,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:22:20,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:21,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:22:21,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:21,157 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-20 07:22:21,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:21,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 45 transitions. Complement of second has 7 states. [2021-11-20 07:22:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:22:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-11-20 07:22:21,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 12 letters. Loop has 7 letters. [2021-11-20 07:22:21,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:21,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 7 letters. [2021-11-20 07:22:21,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:21,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 12 letters. Loop has 14 letters. [2021-11-20 07:22:21,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:21,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-11-20 07:22:21,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:22:21,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-11-20 07:22:21,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:22:21,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:22:21,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:22:21,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:21,256 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:22:21,256 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:22:21,256 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:22:21,256 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 07:22:21,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:22:21,257 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:22:21,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:22:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:22:21 BoogieIcfgContainer [2021-11-20 07:22:21,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:22:21,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:22:21,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:22:21,276 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:22:21,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:22:09" (3/4) ... [2021-11-20 07:22:21,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:22:21,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:22:21,282 INFO L158 Benchmark]: Toolchain (without parser) took 12940.89ms. Allocated memory was 102.8MB in the beginning and 174.1MB in the end (delta: 71.3MB). Free memory was 69.2MB in the beginning and 140.1MB in the end (delta: -70.9MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2021-11-20 07:22:21,282 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:22:21,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.94ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 69.0MB in the beginning and 112.0MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:22:21,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.67ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:22:21,284 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 108.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:22:21,284 INFO L158 Benchmark]: RCFGBuilder took 596.80ms. Allocated memory is still 144.7MB. Free memory was 108.6MB in the beginning and 97.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:22:21,285 INFO L158 Benchmark]: BuchiAutomizer took 11620.38ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 140.1MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:22:21,297 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 174.1MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:22:21,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.94ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 69.0MB in the beginning and 112.0MB in the end (delta: -43.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.67ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 108.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.80ms. Allocated memory is still 144.7MB. Free memory was 108.6MB in the beginning and 97.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11620.38ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 140.1MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 174.1MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + in_len and consists of 5 locations. One deterministic module has affine ranking function out_len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.5s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 10.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 346 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 98 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax100 hnf99 lsp95 ukn82 mio100 lsp53 div125 bol100 ite100 ukn100 eq162 hnf82 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:22:21,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:21,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:21,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfdcb68-65bb-414d-b8fa-a21c1f992a29/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE