./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncmp_mixed_alloca.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_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/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_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncmp_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/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_0f4243de-352b-4fad-a71a-f766c2a70d4f/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 8073940322b86f31cbfc905281bb42e15edc78a9ca8cdc6bd61dc1df37f3cf2e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:14:21,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:14:21,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:14:21,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:14:21,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:14:21,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:14:21,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:14:21,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:14:21,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:14:21,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:14:21,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:14:21,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:14:21,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:14:21,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:14:21,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:14:21,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:14:21,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:14:21,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:14:21,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:14:21,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:14:21,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:14:21,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:14:21,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:14:21,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:14:21,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:14:21,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:14:21,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:14:21,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:14:21,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:14:21,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:14:21,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:14:21,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:14:21,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:14:21,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:14:21,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:14:21,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:14:21,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:14:21,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:14:21,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:14:21,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:14:21,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:14:21,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:14:21,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:14:21,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:14:21,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:14:21,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:14:21,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:14:21,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:14:21,826 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:14:21,827 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:14:21,827 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:14:21,827 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:14:21,827 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:14:21,828 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:14:21,828 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:14:21,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:14:21,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:14:21,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:14:21,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:14:21,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:14:21,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:14:21,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:14:21,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:14:21,830 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:14:21,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:14:21,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:14:21,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:14:21,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:14:21,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:14:21,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:14:21,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:14:21,834 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:14:21,834 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_0f4243de-352b-4fad-a71a-f766c2a70d4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8073940322b86f31cbfc905281bb42e15edc78a9ca8cdc6bd61dc1df37f3cf2e [2021-11-20 06:14:22,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:14:22,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:14:22,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:14:22,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:14:22,208 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:14:22,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-15/cstrncmp_mixed_alloca.i [2021-11-20 06:14:22,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/data/a1a75e62d/24eea9de353448c1a9ecbb58e14a18ff/FLAGc1979d99e [2021-11-20 06:14:22,918 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:14:22,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/sv-benchmarks/c/termination-15/cstrncmp_mixed_alloca.i [2021-11-20 06:14:22,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/data/a1a75e62d/24eea9de353448c1a9ecbb58e14a18ff/FLAGc1979d99e [2021-11-20 06:14:23,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/data/a1a75e62d/24eea9de353448c1a9ecbb58e14a18ff [2021-11-20 06:14:23,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:14:23,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:14:23,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:14:23,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:14:23,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:14:23,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71505d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23, skipping insertion in model container [2021-11-20 06:14:23,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:14:23,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:14:23,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:14:23,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:14:23,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:14:23,823 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:14:23,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23 WrapperNode [2021-11-20 06:14:23,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:14:23,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:14:23,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:14:23,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:14:23,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,888 INFO L137 Inliner]: procedures = 153, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2021-11-20 06:14:23,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:14:23,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:14:23,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:14:23,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:14:23,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:14:23,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:14:23,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:14:23,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:14:23,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (1/1) ... [2021-11-20 06:14:23,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:23,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:23,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:14:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:14:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:14:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:14:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:14:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:14:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:14:24,110 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:14:24,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:14:24,315 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:14:24,322 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:14:24,323 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:14:24,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:24 BoogieIcfgContainer [2021-11-20 06:14:24,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:14:24,327 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:14:24,327 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:14:24,332 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:14:24,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:14:24,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:14:23" (1/3) ... [2021-11-20 06:14:24,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a348d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:14:24, skipping insertion in model container [2021-11-20 06:14:24,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:14:24,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:23" (2/3) ... [2021-11-20 06:14:24,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a348d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:14:24, skipping insertion in model container [2021-11-20 06:14:24,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:14:24,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:24" (3/3) ... [2021-11-20 06:14:24,338 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrncmp_mixed_alloca.i [2021-11-20 06:14:24,395 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:14:24,395 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:14:24,395 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:14:24,396 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:14:24,396 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:14:24,396 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:14:24,396 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:14:24,397 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:14:24,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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 06:14:24,441 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:14:24,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:24,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:24,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:24,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:14:24,449 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:14:24,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 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 06:14:24,454 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-11-20 06:14:24,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:24,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:24,455 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:24,456 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:14:24,464 INFO L791 eck$LassoCheckResult]: Stem: 5#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~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 4#L383true assume !(main_~length1~0#1 < 1); 12#L383-2true assume !(main_~length2~0#1 < 1); 13#L386-1true call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 25#L391-3true [2021-11-20 06:14:24,465 INFO L793 eck$LassoCheckResult]: Loop: 25#L391-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet221#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet221#1; 6#L391-2true main_#t~post220#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post220#1;havoc main_#t~post220#1; 25#L391-3true [2021-11-20 06:14:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-20 06:14:24,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:24,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971030218] [2021-11-20 06:14:24,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:24,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,602 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:24,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-11-20 06:14:24,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:24,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020780372] [2021-11-20 06:14:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:24,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,711 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:24,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:24,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-11-20 06:14:24,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:24,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660354095] [2021-11-20 06:14:24,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:24,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:24,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:25,450 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:14:25,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:14:25,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:14:25,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:14:25,451 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:14:25,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:25,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:14:25,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:14:25,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp_mixed_alloca.i_Iteration1_Lasso [2021-11-20 06:14:25,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:14:25,452 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:14:25,477 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 06:14:25,484 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 06:14:25,657 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 06:14:25,661 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 06:14:25,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:25,699 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 06:14:25,704 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 06:14:25,707 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 06:14:26,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:14:26,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:14:26,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:26,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:26,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:26,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:26,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:14:26,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 06:14:26,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:14:26,178 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 06:14:26,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:26,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:26,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,267 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 06:14:26,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:26,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:26,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:14:26,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,357 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 06:14:26,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:26,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:26,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:14:26,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:14:26,420 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 06:14:26,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:26,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:26,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:26,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:14:26,476 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 06:14:26,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:26,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:26,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,568 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:14:26,577 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 06:14:26,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:26,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:26,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:26,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:26,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:14:26,642 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 06:14:26,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:26,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:26,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:26,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:26,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:26,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:26,699 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:14:26,729 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-20 06:14:26,729 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-11-20 06:14:26,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:26,751 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:26,779 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:14:26,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:14:26,805 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:14:26,805 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:14:26,806 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-20 06:14:26,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 06:14:26,913 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-20 06:14:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:26,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:14:26,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:27,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:14:27,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:27,079 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 06:14:27,144 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 06:14:27,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:27,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:27,242 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 91 transitions. Complement of second has 7 states. [2021-11-20 06:14:27,243 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 06:14:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2021-11-20 06:14:27,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 06:14:27,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:27,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:14:27,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:27,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-20 06:14:27,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:27,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 91 transitions. [2021-11-20 06:14:27,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 06:14:27,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 18 states and 25 transitions. [2021-11-20 06:14:27,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 06:14:27,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-20 06:14:27,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-11-20 06:14:27,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:27,311 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-20 06:14:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-11-20 06:14:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-20 06:14:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-11-20 06:14:27,350 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-20 06:14:27,350 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-11-20 06:14:27,350 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:14:27,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-11-20 06:14:27,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-11-20 06:14:27,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:27,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:27,367 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:27,367 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:14:27,367 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 156#L383 assume !(main_~length1~0#1 < 1); 157#L383-2 assume !(main_~length2~0#1 < 1); 169#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 170#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 172#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 162#L396-3 [2021-11-20 06:14:27,368 INFO L793 eck$LassoCheckResult]: Loop: 162#L396-3 assume !!(main_~i~1#1 > 0);call write~int(main_#t~nondet223#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet223#1; 164#L396-2 main_#t~post222#1 := main_~i~1#1;main_~i~1#1 := main_#t~post222#1 - 1;havoc main_#t~post222#1; 162#L396-3 [2021-11-20 06:14:27,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:27,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-11-20 06:14:27,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:27,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394189845] [2021-11-20 06:14:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:27,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,407 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:27,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-11-20 06:14:27,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:27,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137331838] [2021-11-20 06:14:27,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:27,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,475 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:27,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-11-20 06:14:27,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:27,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903410723] [2021-11-20 06:14:27,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:27,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,510 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:27,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:28,112 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:14:28,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:14:28,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:14:28,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:14:28,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:14:28,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:28,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:14:28,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:14:28,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp_mixed_alloca.i_Iteration2_Lasso [2021-11-20 06:14:28,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:14:28,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:14:28,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:28,125 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 06:14:28,127 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 06:14:28,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:28,133 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 06:14:28,135 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 06:14:28,138 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 06:14:28,144 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 06:14:28,147 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 06:14:28,372 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 06:14:28,374 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 06:14:28,378 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 06:14:28,726 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:14:28,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:14:28,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:28,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:28,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:28,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:14:28,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:28,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:28,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:28,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:28,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:28,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:28,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:28,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:28,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:28,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:28,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:28,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:28,809 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:28,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:28,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:28,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:28,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:28,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:28,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:28,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:28,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:28,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:14:28,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:28,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:28,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:28,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:28,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:28,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:28,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:28,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:28,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:28,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:28,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:28,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:28,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:28,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:14:28,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:28,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:28,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:28,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:28,975 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:28,983 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 06:14:28,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:28,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:28,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:28,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:28,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:28,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:28,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:28,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:14:29,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,031 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:14:29,033 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 06:14:29,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:29,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:29,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:29,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,113 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:14:29,115 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 06:14:29,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:29,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:29,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:29,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,152 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:14:29,156 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 06:14:29,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:29,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:29,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,235 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:14:29,240 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 06:14:29,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:29,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:29,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:29,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,279 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:14:29,281 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 06:14:29,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:29,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:29,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,362 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:14:29,376 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 06:14:29,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:29,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:29,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:29,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,454 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:14:29,464 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 06:14:29,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:29,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:29,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:29,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:29,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:29,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:29,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:14:29,536 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:14:29,536 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-20 06:14:29,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:29,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:29,540 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:29,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:14:29,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:14:29,578 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:14:29,578 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:14:29,578 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-11-20 06:14:29,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:29,647 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-11-20 06:14:29,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:29,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:14:29,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:29,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:14:29,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:29,748 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 06:14:29,749 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 06:14:29,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:29,776 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 40 transitions. Complement of second has 6 states. [2021-11-20 06:14:29,778 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 06:14:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 06:14:29,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:14:29,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:29,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:14:29,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:29,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-20 06:14:29,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:29,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2021-11-20 06:14:29,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:29,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 27 transitions. [2021-11-20 06:14:29,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 06:14:29,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 06:14:29,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2021-11-20 06:14:29,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:29,794 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-20 06:14:29,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2021-11-20 06:14:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-20 06:14:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2021-11-20 06:14:29,797 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-20 06:14:29,797 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-11-20 06:14:29,797 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:14:29,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2021-11-20 06:14:29,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:29,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:29,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:29,799 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:29,800 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:29,800 INFO L791 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 287#L383 assume !(main_~length1~0#1 < 1); 288#L383-2 assume !(main_~length2~0#1 < 1); 301#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 302#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 304#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 293#L396-3 assume !(main_~i~1#1 > 0); 294#L396-4 call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet224#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem209#1, cstrncmp_#t~short210#1, cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset, cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset, cstrncmp_#t~post205#1, cstrncmp_#t~mem206#1, cstrncmp_#t~mem207#1, cstrncmp_#t~short208#1, cstrncmp_#t~mem213#1, cstrncmp_#t~mem214#1, cstrncmp_#t~ite215#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 299#L368 assume !(0 == cstrncmp_~n#1); 300#L370-5 [2021-11-20 06:14:29,800 INFO L793 eck$LassoCheckResult]: Loop: 300#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 303#L370-1 assume cstrncmp_#t~short208#1;call cstrncmp_#t~mem206#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem207#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short208#1 := cstrncmp_#t~mem206#1 == cstrncmp_#t~mem207#1; 297#L370-3 assume !!cstrncmp_#t~short208#1;havoc cstrncmp_#t~post205#1;havoc cstrncmp_#t~mem206#1;havoc cstrncmp_#t~mem207#1;havoc cstrncmp_#t~short208#1;cstrncmp_#t~short210#1 := 0 == cstrncmp_~n#1; 298#L371 assume cstrncmp_#t~short210#1; 305#L371-2 assume !cstrncmp_#t~short210#1;havoc cstrncmp_#t~mem209#1;havoc cstrncmp_#t~short210#1;cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post211#1.base, 1 + cstrncmp_#t~post211#1.offset;havoc cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset;cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset - 1;havoc cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset; 300#L370-5 [2021-11-20 06:14:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2021-11-20 06:14:29,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:29,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442824374] [2021-11-20 06:14:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:29,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:29,823 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:29,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:29,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 79307716, now seen corresponding path program 1 times [2021-11-20 06:14:29,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:29,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703384844] [2021-11-20 06:14:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:29,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:29,915 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 06:14:29,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:29,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703384844] [2021-11-20 06:14:29,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703384844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:29,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:29,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:14:29,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018947356] [2021-11-20 06:14:29,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:29,922 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:14:29,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:29,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:14:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:14:29,930 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 2 states have (on average 2.5) 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 06:14:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:29,949 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-20 06:14:29,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:14:29,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2021-11-20 06:14:29,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:29,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 26 transitions. [2021-11-20 06:14:29,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 06:14:29,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 06:14:29,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-11-20 06:14:29,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:29,960 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-20 06:14:29,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-11-20 06:14:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-20 06:14:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:14:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-11-20 06:14:29,966 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-20 06:14:29,966 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-20 06:14:29,966 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:14:29,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-11-20 06:14:29,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:29,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:29,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:29,969 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:29,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:29,970 INFO L791 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 332#L383 assume !(main_~length1~0#1 < 1); 333#L383-2 assume !(main_~length2~0#1 < 1); 346#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 347#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 349#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 338#L396-3 assume !(main_~i~1#1 > 0); 339#L396-4 call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet224#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem209#1, cstrncmp_#t~short210#1, cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset, cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset, cstrncmp_#t~post205#1, cstrncmp_#t~mem206#1, cstrncmp_#t~mem207#1, cstrncmp_#t~short208#1, cstrncmp_#t~mem213#1, cstrncmp_#t~mem214#1, cstrncmp_#t~ite215#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 344#L368 assume !(0 == cstrncmp_~n#1); 345#L370-5 [2021-11-20 06:14:29,973 INFO L793 eck$LassoCheckResult]: Loop: 345#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 348#L370-1 assume cstrncmp_#t~short208#1;call cstrncmp_#t~mem206#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem207#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short208#1 := cstrncmp_#t~mem206#1 == cstrncmp_#t~mem207#1; 342#L370-3 assume !!cstrncmp_#t~short208#1;havoc cstrncmp_#t~post205#1;havoc cstrncmp_#t~mem206#1;havoc cstrncmp_#t~mem207#1;havoc cstrncmp_#t~short208#1;cstrncmp_#t~short210#1 := 0 == cstrncmp_~n#1; 343#L371 assume !cstrncmp_#t~short210#1;call cstrncmp_#t~mem209#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short210#1 := 0 == cstrncmp_#t~mem209#1; 350#L371-2 assume !cstrncmp_#t~short210#1;havoc cstrncmp_#t~mem209#1;havoc cstrncmp_#t~short210#1;cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post211#1.base, 1 + cstrncmp_#t~post211#1.offset;havoc cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset;cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset - 1;havoc cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset; 345#L370-5 [2021-11-20 06:14:29,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:29,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 2 times [2021-11-20 06:14:29,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:29,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965374956] [2021-11-20 06:14:29,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:29,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,022 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,062 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 1 times [2021-11-20 06:14:30,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:30,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190676480] [2021-11-20 06:14:30,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:30,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,086 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:30,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:30,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1988601847, now seen corresponding path program 1 times [2021-11-20 06:14:30,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:30,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387853257] [2021-11-20 06:14:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:30,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:30,334 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 06:14:30,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:30,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387853257] [2021-11-20 06:14:30,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387853257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:30,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:30,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:14:30,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353555522] [2021-11-20 06:14:30,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:30,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:30,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:30,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:14:30,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:14:30,707 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 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 06:14:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:30,874 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-11-20 06:14:30,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:14:30,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-11-20 06:14:30,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:30,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2021-11-20 06:14:30,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 06:14:30,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 06:14:30,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-11-20 06:14:30,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:30,878 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 06:14:30,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-11-20 06:14:30,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-20 06:14:30,880 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 06:14:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-20 06:14:30,885 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-20 06:14:30,885 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-20 06:14:30,885 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:14:30,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2021-11-20 06:14:30,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:30,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:30,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:30,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:30,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:30,890 INFO L791 eck$LassoCheckResult]: Stem: 403#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 401#L383 assume !(main_~length1~0#1 < 1); 402#L383-2 assume !(main_~length2~0#1 < 1); 415#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 416#L391-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet221#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet221#1; 405#L391-2 main_#t~post220#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post220#1;havoc main_#t~post220#1; 406#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 418#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 407#L396-3 assume !(main_~i~1#1 > 0); 408#L396-4 call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet224#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem209#1, cstrncmp_#t~short210#1, cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset, cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset, cstrncmp_#t~post205#1, cstrncmp_#t~mem206#1, cstrncmp_#t~mem207#1, cstrncmp_#t~short208#1, cstrncmp_#t~mem213#1, cstrncmp_#t~mem214#1, cstrncmp_#t~ite215#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 413#L368 assume !(0 == cstrncmp_~n#1); 414#L370-5 [2021-11-20 06:14:30,890 INFO L793 eck$LassoCheckResult]: Loop: 414#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 417#L370-1 assume cstrncmp_#t~short208#1;call cstrncmp_#t~mem206#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem207#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short208#1 := cstrncmp_#t~mem206#1 == cstrncmp_#t~mem207#1; 411#L370-3 assume !!cstrncmp_#t~short208#1;havoc cstrncmp_#t~post205#1;havoc cstrncmp_#t~mem206#1;havoc cstrncmp_#t~mem207#1;havoc cstrncmp_#t~short208#1;cstrncmp_#t~short210#1 := 0 == cstrncmp_~n#1; 412#L371 assume !cstrncmp_#t~short210#1;call cstrncmp_#t~mem209#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short210#1 := 0 == cstrncmp_#t~mem209#1; 419#L371-2 assume !cstrncmp_#t~short210#1;havoc cstrncmp_#t~mem209#1;havoc cstrncmp_#t~short210#1;cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post211#1.base, 1 + cstrncmp_#t~post211#1.offset;havoc cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset;cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset - 1;havoc cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset; 414#L370-5 [2021-11-20 06:14:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2021-11-20 06:14:30,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:30,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705401211] [2021-11-20 06:14:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:30,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,921 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:30,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:30,941 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 2 times [2021-11-20 06:14:30,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:30,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893468451] [2021-11-20 06:14:30,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:30,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:30,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:30,959 INFO L85 PathProgramCache]: Analyzing trace with hash -350531861, now seen corresponding path program 1 times [2021-11-20 06:14:30,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:30,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901849585] [2021-11-20 06:14:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:30,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:14:31,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:31,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901849585] [2021-11-20 06:14:31,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901849585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:31,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:31,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:14:31,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328567881] [2021-11-20 06:14:31,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:31,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:31,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:14:31,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:14:31,556 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 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 06:14:31,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:31,777 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2021-11-20 06:14:31,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:14:31,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2021-11-20 06:14:31,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-20 06:14:31,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 32 states and 39 transitions. [2021-11-20 06:14:31,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-20 06:14:31,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-20 06:14:31,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-11-20 06:14:31,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:31,782 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-11-20 06:14:31,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-11-20 06:14:31,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-11-20 06:14:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 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 06:14:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-11-20 06:14:31,786 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-11-20 06:14:31,786 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-11-20 06:14:31,786 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:14:31,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2021-11-20 06:14:31,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:31,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:31,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:31,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:31,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:31,788 INFO L791 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 478#L383 assume !(main_~length1~0#1 < 1); 479#L383-2 assume !(main_~length2~0#1 < 1); 493#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 494#L391-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet221#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet221#1; 482#L391-2 main_#t~post220#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post220#1;havoc main_#t~post220#1; 483#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 496#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 484#L396-3 assume !(main_~i~1#1 > 0); 485#L396-4 call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet224#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem209#1, cstrncmp_#t~short210#1, cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset, cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset, cstrncmp_#t~post205#1, cstrncmp_#t~mem206#1, cstrncmp_#t~mem207#1, cstrncmp_#t~short208#1, cstrncmp_#t~mem213#1, cstrncmp_#t~mem214#1, cstrncmp_#t~ite215#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 499#L368 assume !(0 == cstrncmp_~n#1); 500#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 495#L370-1 assume !cstrncmp_#t~short208#1; 489#L370-3 [2021-11-20 06:14:31,788 INFO L793 eck$LassoCheckResult]: Loop: 489#L370-3 assume !!cstrncmp_#t~short208#1;havoc cstrncmp_#t~post205#1;havoc cstrncmp_#t~mem206#1;havoc cstrncmp_#t~mem207#1;havoc cstrncmp_#t~short208#1;cstrncmp_#t~short210#1 := 0 == cstrncmp_~n#1; 490#L371 assume !cstrncmp_#t~short210#1;call cstrncmp_#t~mem209#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short210#1 := 0 == cstrncmp_#t~mem209#1; 497#L371-2 assume !cstrncmp_#t~short210#1;havoc cstrncmp_#t~mem209#1;havoc cstrncmp_#t~short210#1;cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post211#1.base, 1 + cstrncmp_#t~post211#1.offset;havoc cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset;cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset - 1;havoc cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset; 492#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 498#L370-1 assume cstrncmp_#t~short208#1;call cstrncmp_#t~mem206#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem207#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short208#1 := cstrncmp_#t~mem206#1 == cstrncmp_#t~mem207#1; 489#L370-3 [2021-11-20 06:14:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1311502365, now seen corresponding path program 1 times [2021-11-20 06:14:31,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:31,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999210920] [2021-11-20 06:14:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:31,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:31,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:31,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:31,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:31,824 INFO L85 PathProgramCache]: Analyzing trace with hash 89863848, now seen corresponding path program 3 times [2021-11-20 06:14:31,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:31,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110530834] [2021-11-20 06:14:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:31,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:31,832 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:31,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:31,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:31,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1796409332, now seen corresponding path program 1 times [2021-11-20 06:14:31,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:31,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205567910] [2021-11-20 06:14:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:31,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:31,871 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 06:14:31,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:31,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205567910] [2021-11-20 06:14:31,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205567910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:31,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:31,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:14:31,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979139212] [2021-11-20 06:14:31,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:32,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:32,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:14:32,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:14:32,231 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 06:14:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:32,240 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-11-20 06:14:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:14:32,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-11-20 06:14:32,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:32,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 23 transitions. [2021-11-20 06:14:32,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 06:14:32,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 06:14:32,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2021-11-20 06:14:32,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:32,244 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-20 06:14:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2021-11-20 06:14:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-20 06:14:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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 06:14:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-11-20 06:14:32,246 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-20 06:14:32,247 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-20 06:14:32,247 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:14:32,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2021-11-20 06:14:32,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 06:14:32,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:14:32,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:14:32,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:14:32,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 06:14:32,249 INFO L791 eck$LassoCheckResult]: Stem: 537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet216#1, main_#t~nondet217#1, main_#t~malloc218#1.base, main_#t~malloc218#1.offset, main_#t~malloc219#1.base, main_#t~malloc219#1.offset, main_#t~nondet221#1, main_#t~post220#1, main_~i~0#1, main_#t~nondet223#1, main_#t~post222#1, main_~i~1#1, main_#t~nondet224#1, main_#t~ret225#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet216#1;havoc main_#t~nondet216#1;main_~length2~0#1 := main_#t~nondet217#1;havoc main_#t~nondet217#1; 533#L383 assume !(main_~length1~0#1 < 1); 534#L383-2 assume !(main_~length2~0#1 < 1); 545#L386-1 call main_#t~malloc218#1.base, main_#t~malloc218#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc218#1.base, main_#t~malloc218#1.offset;call main_#t~malloc219#1.base, main_#t~malloc219#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc219#1.base, main_#t~malloc219#1.offset;main_~i~0#1 := 0; 546#L391-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet221#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet221#1; 535#L391-2 main_#t~post220#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post220#1;havoc main_#t~post220#1; 536#L391-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 550#L391-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);main_~i~1#1 := main_~length2~0#1 - 1; 539#L396-3 assume !!(main_~i~1#1 > 0);call write~int(main_#t~nondet223#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet223#1; 540#L396-2 main_#t~post222#1 := main_~i~1#1;main_~i~1#1 := main_#t~post222#1 - 1;havoc main_#t~post222#1; 541#L396-3 assume !(main_~i~1#1 > 0); 542#L396-4 call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet224#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem209#1, cstrncmp_#t~short210#1, cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset, cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset, cstrncmp_#t~post205#1, cstrncmp_#t~mem206#1, cstrncmp_#t~mem207#1, cstrncmp_#t~short208#1, cstrncmp_#t~mem213#1, cstrncmp_#t~mem214#1, cstrncmp_#t~ite215#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1, cstrncmp_~uc1~0#1, cstrncmp_~uc2~0#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1;havoc cstrncmp_~uc1~0#1;havoc cstrncmp_~uc2~0#1; 547#L368 assume !(0 == cstrncmp_~n#1); 548#L370-5 [2021-11-20 06:14:32,249 INFO L793 eck$LassoCheckResult]: Loop: 548#L370-5 cstrncmp_#t~post205#1 := cstrncmp_~n#1;cstrncmp_~n#1 := cstrncmp_#t~post205#1 - 1;cstrncmp_#t~short208#1 := cstrncmp_#t~post205#1 > 0; 549#L370-1 assume cstrncmp_#t~short208#1;call cstrncmp_#t~mem206#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);call cstrncmp_#t~mem207#1 := read~int(cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, 1);cstrncmp_#t~short208#1 := cstrncmp_#t~mem206#1 == cstrncmp_#t~mem207#1; 543#L370-3 assume !!cstrncmp_#t~short208#1;havoc cstrncmp_#t~post205#1;havoc cstrncmp_#t~mem206#1;havoc cstrncmp_#t~mem207#1;havoc cstrncmp_#t~short208#1;cstrncmp_#t~short210#1 := 0 == cstrncmp_~n#1; 544#L371 assume !cstrncmp_#t~short210#1;call cstrncmp_#t~mem209#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~short210#1 := 0 == cstrncmp_#t~mem209#1; 551#L371-2 assume !cstrncmp_#t~short210#1;havoc cstrncmp_#t~mem209#1;havoc cstrncmp_#t~short210#1;cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post211#1.base, 1 + cstrncmp_#t~post211#1.offset;havoc cstrncmp_#t~post211#1.base, cstrncmp_#t~post211#1.offset;cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset - 1;havoc cstrncmp_#t~post212#1.base, cstrncmp_#t~post212#1.offset; 548#L370-5 [2021-11-20 06:14:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:32,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2021-11-20 06:14:32,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:32,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882445122] [2021-11-20 06:14:32,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:32,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,272 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash 79307778, now seen corresponding path program 4 times [2021-11-20 06:14:32,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:32,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854503360] [2021-11-20 06:14:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:32,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,315 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1018233459, now seen corresponding path program 1 times [2021-11-20 06:14:32,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:32,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198545661] [2021-11-20 06:14:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:32,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,360 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:14:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:14:32,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:14:34,009 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:14:34,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:14:34,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:14:34,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:14:34,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:14:34,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:34,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:14:34,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:14:34,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp_mixed_alloca.i_Iteration7_Lasso [2021-11-20 06:14:34,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:14:34,010 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:14:34,032 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 06:14:34,041 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 06:14:34,043 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 06:14:34,045 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 06:14:34,047 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 06:14:34,049 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 06:14:34,051 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 06:14:34,053 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 06:14:34,055 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 06:14:34,057 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 06:14:34,059 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 06:14:34,067 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 06:14:34,069 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 06:14:34,071 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 06:14:34,073 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 06:14:34,076 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 06:14:34,078 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 06:14:34,080 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 06:14:34,083 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 06:14:34,093 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 06:14:34,095 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 06:14:34,100 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 06:14:34,102 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 06:14:34,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:34,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:34,108 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 06:14:34,122 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 06:14:34,125 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 06:14:34,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:14:35,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:14:35,134 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:14:35,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,140 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,145 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 06:14:35,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:14:35,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,236 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,238 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 06:14:35,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:14:35,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,285 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:14:35,287 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 06:14:35,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:14:35,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,324 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:14:35,325 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 06:14:35,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,362 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:35,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:14:35,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 06:14:35,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,408 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,410 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 06:14:35,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:14:35,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:35,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:35,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 06:14:35,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,488 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:14:35,490 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 06:14:35,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 06:14:35,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,528 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:14:35,533 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 06:14:35,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 06:14:35,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,578 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,580 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 06:14:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:14:35,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 06:14:35,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,619 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:14:35,621 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 06:14:35,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,657 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:14:35,659 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 06:14:35,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:35,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:35,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 06:14:35,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,729 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:14:35,730 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 06:14:35,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,770 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:14:35,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:35,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:14:35,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,821 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:14:35,823 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 06:14:35,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,859 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:14:35,862 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 06:14:35,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:14:35,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:35,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:35,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:35,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:35,904 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:14:35,914 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 06:14:35,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:35,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:35,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:35,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:35,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:35,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:35,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:35,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:36,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:36,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:36,005 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:36,012 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 06:14:36,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:36,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:36,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:36,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:36,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:36,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:36,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:14:36,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:36,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:36,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:36,075 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:36,080 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 06:14:36,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:14:36,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:36,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:14:36,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:14:36,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:36,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:36,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:14:36,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:14:36,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:14:36,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 06:14:36,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:36,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:36,117 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:36,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:14:36,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:14:36,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:14:36,130 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 06:14:36,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:14:36,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:14:36,135 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 06:14:36,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:14:36,146 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:14:36,156 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-20 06:14:36,156 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-20 06:14:36,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:14:36,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:14:36,172 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:14:36,174 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:14:36,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:14:36,200 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:14:36,201 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:14:36,201 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~n#1) = 1*ULTIMATE.start_cstrncmp_~n#1 Supporting invariants [] [2021-11-20 06:14:36,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 06:14:36,280 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2021-11-20 06:14:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:14:36,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:36,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:14:36,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:14:36,496 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 06:14:36,497 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 06:14:36,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 06:14:36,518 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 25 states and 29 transitions. Complement of second has 6 states. [2021-11-20 06:14:36,518 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 06:14:36,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 06:14:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-20 06:14:36,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 14 letters. Loop has 5 letters. [2021-11-20 06:14:36,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:36,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 5 letters. [2021-11-20 06:14:36,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:36,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 14 letters. Loop has 10 letters. [2021-11-20 06:14:36,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:14:36,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2021-11-20 06:14:36,523 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:14:36,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-11-20 06:14:36,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:14:36,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:14:36,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:14:36,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:14:36,524 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:14:36,524 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:14:36,524 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:14:36,524 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 06:14:36,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:14:36,525 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:14:36,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:14:36,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:14:36 BoogieIcfgContainer [2021-11-20 06:14:36,533 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:14:36,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:14:36,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:14:36,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:14:36,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:24" (3/4) ... [2021-11-20 06:14:36,538 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:14:36,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:14:36,539 INFO L158 Benchmark]: Toolchain (without parser) took 13347.44ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 83.1MB in the beginning and 97.1MB in the end (delta: -14.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,540 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:14:36,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.25ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 88.4MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.52ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 86.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,541 INFO L158 Benchmark]: Boogie Preprocessor took 31.85ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 84.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,542 INFO L158 Benchmark]: RCFGBuilder took 404.08ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 73.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,542 INFO L158 Benchmark]: BuchiAutomizer took 12205.99ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 73.0MB in the beginning and 97.1MB in the end (delta: -24.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-20 06:14:36,543 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 163.6MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:14:36,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.25ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 88.4MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.52ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 86.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.85ms. Allocated memory is still 121.6MB. Free memory was 86.0MB in the beginning and 84.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.08ms. Allocated memory is still 121.6MB. Free memory was 84.7MB in the beginning and 73.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12205.99ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 73.0MB in the beginning and 97.1MB in the end (delta: -24.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 163.6MB. Free memory is still 97.1MB. 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 7 terminating modules (4 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function n and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 8 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 136 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital180 mio100 ax100 hnf99 lsp90 ukn82 mio100 lsp39 div100 bol100 ite100 ukn100 eq171 hnf90 smp97 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 85ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 06:14:36,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:14:36,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4243de-352b-4fad-a71a-f766c2a70d4f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE