./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:44:02,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:44:02,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:44:02,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:44:02,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:44:02,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:44:02,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:44:02,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:44:02,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:44:02,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:44:02,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:44:02,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:44:02,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:44:02,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:44:02,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:44:02,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:44:02,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:44:02,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:44:02,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:44:02,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:44:02,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:44:02,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:44:02,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:44:02,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:44:02,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:44:02,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:44:02,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:44:02,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:44:02,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:44:02,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:44:02,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:44:02,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:44:02,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:44:02,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:44:02,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:44:02,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:44:02,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:44:02,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:44:02,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:44:02,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:44:02,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:44:02,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 01:44:02,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:44:02,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:44:02,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:44:02,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:44:02,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:44:02,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:44:02,869 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 01:44:02,869 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 01:44:02,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 01:44:02,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 01:44:02,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:44:02,871 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 01:44:02,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:44:02,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 01:44:02,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:44:02,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:44:02,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:44:02,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:44:02,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:44:02,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 01:44:02,873 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_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf [2021-12-07 01:44:03,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:44:03,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:44:03,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:44:03,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:44:03,069 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:44:03,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2021-12-07 01:44:03,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/data/8b42d0b76/b0dd1c964c4f41c99d6662605619c410/FLAG9ee016a0e [2021-12-07 01:44:03,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:44:03,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2021-12-07 01:44:03,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/data/8b42d0b76/b0dd1c964c4f41c99d6662605619c410/FLAG9ee016a0e [2021-12-07 01:44:03,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/data/8b42d0b76/b0dd1c964c4f41c99d6662605619c410 [2021-12-07 01:44:03,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:44:03,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:44:03,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:44:03,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:44:03,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:44:03,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0ad242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03, skipping insertion in model container [2021-12-07 01:44:03,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:44:03,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:44:03,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:44:03,813 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:44:03,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:44:03,859 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:44:03,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03 WrapperNode [2021-12-07 01:44:03,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:44:03,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:44:03,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:44:03,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:44:03,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,901 INFO L137 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-12-07 01:44:03,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:44:03,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:44:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:44:03,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:44:03,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:44:03,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:44:03,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:44:03,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:44:03,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (1/1) ... [2021-12-07 01:44:03,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:03,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:03,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 01:44:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:44:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:44:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:44:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:44:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:44:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:44:04,052 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:44:04,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:44:04,181 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:44:04,187 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:44:04,188 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:44:04,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:44:04 BoogieIcfgContainer [2021-12-07 01:44:04,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:44:04,190 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 01:44:04,191 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 01:44:04,194 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 01:44:04,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:44:04,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:44:03" (1/3) ... [2021-12-07 01:44:04,196 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e91f7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:44:04, skipping insertion in model container [2021-12-07 01:44:04,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:44:04,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:44:03" (2/3) ... [2021-12-07 01:44:04,196 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e91f7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:44:04, skipping insertion in model container [2021-12-07 01:44:04,196 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:44:04,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:44:04" (3/3) ... [2021-12-07 01:44:04,198 INFO L388 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2021-12-07 01:44:04,239 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 01:44:04,239 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 01:44:04,239 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 01:44:04,239 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 01:44:04,239 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 01:44:04,239 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 01:44:04,239 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 01:44:04,239 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 01:44:04,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-07 01:44:04,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:04,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:04,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:44:04,270 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 01:44:04,270 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 01:44:04,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-07 01:44:04,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:04,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:04,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:44:04,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 01:44:04,277 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 15#L574true assume !(main_~Alen~0#1 < 1); 9#L574-2true assume !(main_~Blen~0#1 < 1); 13#L577-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 14#L554-2true [2021-12-07 01:44:04,277 INFO L793 eck$LassoCheckResult]: Loop: 14#L554-2true assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 10#L558-2true assume !true; 6#L557-2true assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 7#L564-1true diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 14#L554-2true [2021-12-07 01:44:04,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,282 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-07 01:44:04,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113556585] [2021-12-07 01:44:04,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,386 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2021-12-07 01:44:04,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861418484] [2021-12-07 01:44:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:04,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:44:04,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861418484] [2021-12-07 01:44:04,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861418484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:44:04,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:44:04,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:44:04,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765467404] [2021-12-07 01:44:04,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:44:04,460 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-07 01:44:04,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:44:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:44:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:44:04,487 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:44:04,492 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2021-12-07 01:44:04,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:44:04,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2021-12-07 01:44:04,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-07 01:44:04,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2021-12-07 01:44:04,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-07 01:44:04,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-07 01:44:04,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2021-12-07 01:44:04,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:44:04,501 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-12-07 01:44:04,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2021-12-07 01:44:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-07 01:44:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2021-12-07 01:44:04,520 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-12-07 01:44:04,520 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2021-12-07 01:44:04,520 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 01:44:04,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2021-12-07 01:44:04,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-07 01:44:04,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:04,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:04,522 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:44:04,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 01:44:04,522 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 45#L574 assume !(main_~Alen~0#1 < 1); 44#L574-2 assume !(main_~Blen~0#1 < 1); 43#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 42#L554-2 [2021-12-07 01:44:04,522 INFO L793 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 41#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 38#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 39#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 42#L554-2 [2021-12-07 01:44:04,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-12-07 01:44:04,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650338587] [2021-12-07 01:44:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,545 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2021-12-07 01:44:04,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486867359] [2021-12-07 01:44:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,573 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2021-12-07 01:44:04,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867737241] [2021-12-07 01:44:04,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:04,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:44:04,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867737241] [2021-12-07 01:44:04,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867737241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:44:04,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:44:04,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:44:04,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082909950] [2021-12-07 01:44:04,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:44:04,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:44:04,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:44:04,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:44:04,764 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:44:04,797 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2021-12-07 01:44:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:44:04,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2021-12-07 01:44:04,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-07 01:44:04,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2021-12-07 01:44:04,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-07 01:44:04,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-07 01:44:04,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2021-12-07 01:44:04,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:44:04,801 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2021-12-07 01:44:04,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2021-12-07 01:44:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-12-07 01:44:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-12-07 01:44:04,803 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-12-07 01:44:04,803 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-12-07 01:44:04,803 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 01:44:04,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-12-07 01:44:04,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 01:44:04,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:04,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:04,805 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:44:04,805 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-07 01:44:04,805 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 82#L574 assume !(main_~Alen~0#1 < 1); 81#L574-2 assume !(main_~Blen~0#1 < 1); 79#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 78#L554-2 [2021-12-07 01:44:04,805 INFO L793 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 80#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 74#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 75#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 76#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 77#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 78#L554-2 [2021-12-07 01:44:04,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,806 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2021-12-07 01:44:04,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935294204] [2021-12-07 01:44:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,823 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2021-12-07 01:44:04,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021896495] [2021-12-07 01:44:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:04,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:44:04,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021896495] [2021-12-07 01:44:04,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021896495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:44:04,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:44:04,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:44:04,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619046135] [2021-12-07 01:44:04,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:44:04,866 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-07 01:44:04,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:44:04,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:44:04,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:44:04,867 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:44:04,888 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2021-12-07 01:44:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:44:04,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-12-07 01:44:04,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-12-07 01:44:04,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2021-12-07 01:44:04,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-07 01:44:04,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 01:44:04,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-12-07 01:44:04,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:44:04,891 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-07 01:44:04,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-12-07 01:44:04,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2021-12-07 01:44:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2021-12-07 01:44:04,893 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-12-07 01:44:04,893 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2021-12-07 01:44:04,893 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 01:44:04,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2021-12-07 01:44:04,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 01:44:04,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:04,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:04,895 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:44:04,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-07 01:44:04,895 INFO L791 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 110#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 120#L574 assume !(main_~Alen~0#1 < 1); 119#L574-2 assume !(main_~Blen~0#1 < 1); 117#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 116#L554-2 [2021-12-07 01:44:04,895 INFO L793 eck$LassoCheckResult]: Loop: 116#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 118#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 111#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 112#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 114#L557-2 assume !(0 == diff_~found~0#1); 115#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 116#L554-2 [2021-12-07 01:44:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2021-12-07 01:44:04,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006068451] [2021-12-07 01:44:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,910 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2021-12-07 01:44:04,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262903469] [2021-12-07 01:44:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:04,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2021-12-07 01:44:04,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:04,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654944282] [2021-12-07 01:44:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:04,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,957 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:04,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:05,683 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:44:05,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:44:05,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:44:05,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:44:05,684 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:44:05,684 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:05,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:44:05,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:44:05,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2021-12-07 01:44:05,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:44:05,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:44:05,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:05,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:06,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:44:06,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:44:06,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 01:44:06,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:06,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:06,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:06,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:06,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 01:44:06,267 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 [2021-12-07 01:44:06,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:06,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:06,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:06,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 01:44:06,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 01:44:06,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 01:44:06,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 01:44:06,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 01:44:06,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 01:44:06,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 01:44:06,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 01:44:06,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 01:44:06,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 01:44:06,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:06,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:06,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 01:44:06,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:06,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:06,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:06,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:06,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:06,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:06,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:06,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:44:06,564 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-07 01:44:06,564 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-07 01:44:06,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:06,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:06,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 01:44:06,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:44:06,579 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-07 01:44:06,579 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:44:06,580 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_diff_~A#1.base)_1, ULTIMATE.start_diff_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_diff_~A#1.base)_1 - 4*ULTIMATE.start_diff_~i~0#1 Supporting invariants [1*ULTIMATE.start_diff_~A#1.offset >= 0] [2021-12-07 01:44:06,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 01:44:06,647 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-07 01:44:06,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:06,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:44:06,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:06,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:44:06,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:06,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 01:44:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:06,761 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 [2021-12-07 01:44:06,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:06,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 6 states. [2021-12-07 01:44:06,806 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 [2021-12-07 01:44:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-12-07 01:44:06,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2021-12-07 01:44:06,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:06,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2021-12-07 01:44:06,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:06,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 12 letters. [2021-12-07 01:44:06,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:06,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2021-12-07 01:44:06,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:06,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2021-12-07 01:44:06,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-07 01:44:06,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-07 01:44:06,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2021-12-07 01:44:06,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:44:06,812 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-12-07 01:44:06,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2021-12-07 01:44:06,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-12-07 01:44:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 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) [2021-12-07 01:44:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2021-12-07 01:44:06,814 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-12-07 01:44:06,814 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-12-07 01:44:06,814 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 01:44:06,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2021-12-07 01:44:06,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:06,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:06,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:06,816 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-07 01:44:06,816 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:44:06,816 INFO L791 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 269#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 282#L574 assume !(main_~Alen~0#1 < 1); 281#L574-2 assume !(main_~Blen~0#1 < 1); 278#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 279#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 271#L558-2 [2021-12-07 01:44:06,816 INFO L793 eck$LassoCheckResult]: Loop: 271#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 270#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 271#L558-2 [2021-12-07 01:44:06,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:06,816 INFO L85 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2021-12-07 01:44:06,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:06,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509730008] [2021-12-07 01:44:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:06,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,829 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:06,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:06,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2021-12-07 01:44:06,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:06,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802629278] [2021-12-07 01:44:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:06,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,851 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2021-12-07 01:44:06,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:06,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975561609] [2021-12-07 01:44:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:06,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,873 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:06,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:07,429 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:44:07,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:44:07,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:44:07,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:44:07,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:44:07,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:07,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:44:07,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:44:07,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2021-12-07 01:44:07,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:44:07,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:44:07,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:07,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:44:07,965 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:44:07,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:07,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:07,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 01:44:07,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:07,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:07,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:07,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:07,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:07,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:07,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:07,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:07,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 01:44:07,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:07,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:07,997 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:07,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 01:44:07,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:08,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:08,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,026 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 01:44:08,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 01:44:08,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 01:44:08,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 01:44:08,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,088 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 01:44:08,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:08,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:08,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,116 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 01:44:08,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 01:44:08,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,149 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 01:44:08,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:08,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:08,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,178 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 01:44:08,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 01:44:08,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,208 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 01:44:08,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:08,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:08,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,236 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 01:44:08,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:08,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 01:44:08,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,265 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 01:44:08,267 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 [2021-12-07 01:44:08,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:08,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,275 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-07 01:44:08,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,276 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:44:08,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:08,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:08,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,299 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 01:44:08,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-07 01:44:08,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,331 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 01:44:08,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-07 01:44:08,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,363 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 01:44:08,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 01:44:08,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,398 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 01:44:08,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 01:44:08,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 01:44:08,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:08,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:08,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:08,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:08,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:08,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:08,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:08,470 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:44:08,524 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-12-07 01:44:08,525 INFO L444 ModelExtractionUtils]: 23 out of 73 variables were initially zero. Simplification set additionally 47 variables to zero. [2021-12-07 01:44:08,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:08,525 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:08,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 01:44:08,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:44:08,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 01:44:08,534 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:44:08,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2021-12-07 01:44:08,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 01:44:08,588 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2021-12-07 01:44:08,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 01:44:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:08,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:44:08,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:08,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:44:08,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:08,626 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 01:44:08,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:08,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 53 transitions. Complement of second has 7 states. [2021-12-07 01:44:08,637 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 [2021-12-07 01:44:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-07 01:44:08,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-07 01:44:08,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:08,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-07 01:44:08,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:08,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-07 01:44:08,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:08,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2021-12-07 01:44:08,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:08,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2021-12-07 01:44:08,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-07 01:44:08,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-07 01:44:08,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2021-12-07 01:44:08,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:44:08,641 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2021-12-07 01:44:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2021-12-07 01:44:08,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2021-12-07 01:44:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 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) [2021-12-07 01:44:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-12-07 01:44:08,642 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-12-07 01:44:08,642 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-12-07 01:44:08,642 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 01:44:08,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-12-07 01:44:08,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:08,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:08,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:08,643 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:44:08,643 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:44:08,644 INFO L791 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 444#L574 assume !(main_~Alen~0#1 < 1); 443#L574-2 assume !(main_~Blen~0#1 < 1); 438#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 439#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 441#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 449#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 448#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 445#L557-2 assume !(0 == diff_~found~0#1); 437#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 440#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 433#L558-2 [2021-12-07 01:44:08,644 INFO L793 eck$LassoCheckResult]: Loop: 433#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 432#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 433#L558-2 [2021-12-07 01:44:08,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1811575378, now seen corresponding path program 1 times [2021-12-07 01:44:08,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:08,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542438489] [2021-12-07 01:44:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:08,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:44:08,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:44:08,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542438489] [2021-12-07 01:44:08,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542438489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:44:08,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:44:08,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:44:08,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328837815] [2021-12-07 01:44:08,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:44:08,662 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 01:44:08,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2021-12-07 01:44:08,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:08,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237203125] [2021-12-07 01:44:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:08,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,667 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:08,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:44:08,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:44:08,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:44:08,721 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:44:08,729 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-12-07 01:44:08,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:44:08,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2021-12-07 01:44:08,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:08,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 31 transitions. [2021-12-07 01:44:08,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-07 01:44:08,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-07 01:44:08,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2021-12-07 01:44:08,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:44:08,732 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-12-07 01:44:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2021-12-07 01:44:08,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-12-07 01:44:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2021-12-07 01:44:08,734 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-12-07 01:44:08,734 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-12-07 01:44:08,734 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-07 01:44:08,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2021-12-07 01:44:08,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:08,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:08,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:08,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:44:08,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:44:08,735 INFO L791 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 479#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 493#L574 assume !(main_~Alen~0#1 < 1); 491#L574-2 assume !(main_~Blen~0#1 < 1); 486#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 487#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 489#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 497#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 496#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 484#L557-2 assume !(0 == diff_~found~0#1); 485#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 488#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 481#L558-2 [2021-12-07 01:44:08,735 INFO L793 eck$LassoCheckResult]: Loop: 481#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 480#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 481#L558-2 [2021-12-07 01:44:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2021-12-07 01:44:08,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:08,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409040267] [2021-12-07 01:44:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:08,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:08,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 3 times [2021-12-07 01:44:08,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:08,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189785573] [2021-12-07 01:44:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:08,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,773 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:08,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:08,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2021-12-07 01:44:08,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:08,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189557772] [2021-12-07 01:44:08,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:08,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,790 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:08,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:09,377 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:44:09,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:44:09,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:44:09,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:44:09,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:44:09,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:09,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:44:09,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:44:09,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration7_Lasso [2021-12-07 01:44:09,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:44:09,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:44:09,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:09,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:44:09,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:44:09,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:09,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:09,953 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:09,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 01:44:09,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:09,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:09,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:09,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:09,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:09,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:09,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:09,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:09,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-07 01:44:09,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:09,986 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:09,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 01:44:09,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:09,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:09,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:09,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:09,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:09,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:09,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:09,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:10,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,016 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 01:44:10,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:10,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:10,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:10,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:10,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-07 01:44:10,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,047 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 01:44:10,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:10,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:10,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:10,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:10,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 01:44:10,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,079 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 01:44:10,080 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 [2021-12-07 01:44:10,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,089 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-07 01:44:10,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,092 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-07 01:44:10,092 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:44:10,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 01:44:10,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,127 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 01:44:10,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:10,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:10,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:10,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:10,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 01:44:10,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,171 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 01:44:10,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:10,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:10,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:10,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:10,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:10,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-07 01:44:10,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,204 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 01:44:10,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:10,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:10,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:10,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:10,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:10,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:10,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:10,240 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:44:10,286 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2021-12-07 01:44:10,286 INFO L444 ModelExtractionUtils]: 45 out of 67 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-07 01:44:10,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:10,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:10,287 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:10,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 01:44:10,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:44:10,299 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 01:44:10,300 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:44:10,300 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_diff_~B#1.base)_3, ULTIMATE.start_diff_~j~0#1) = 3*v_rep(select #length ULTIMATE.start_diff_~B#1.base)_3 - 8*ULTIMATE.start_diff_~j~0#1 Supporting invariants [] [2021-12-07 01:44:10,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 01:44:10,366 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-12-07 01:44:10,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:10,481 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-07 01:44:10,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,496 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 28 transitions. Complement of second has 4 states. [2021-12-07 01:44:10,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-07 01:44:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-12-07 01:44:10,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-07 01:44:10,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:10,497 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:44:10,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:10,611 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-07 01:44:10,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 28 transitions. Complement of second has 4 states. [2021-12-07 01:44:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-07 01:44:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-12-07 01:44:10,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-07 01:44:10,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:10,626 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:44:10,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:44:10,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:10,740 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-07 01:44:10,740 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,785 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 58 transitions. Complement of second has 10 states. [2021-12-07 01:44:10,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-07 01:44:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 41 transitions. [2021-12-07 01:44:10,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 41 transitions. Stem has 12 letters. Loop has 2 letters. [2021-12-07 01:44:10,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:10,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 41 transitions. Stem has 14 letters. Loop has 2 letters. [2021-12-07 01:44:10,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:10,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 41 transitions. Stem has 12 letters. Loop has 4 letters. [2021-12-07 01:44:10,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:10,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-12-07 01:44:10,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:10,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 36 states and 47 transitions. [2021-12-07 01:44:10,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-07 01:44:10,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-07 01:44:10,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2021-12-07 01:44:10,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:44:10,789 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2021-12-07 01:44:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2021-12-07 01:44:10,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2021-12-07 01:44:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-12-07 01:44:10,791 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-12-07 01:44:10,791 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-12-07 01:44:10,791 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-07 01:44:10,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2021-12-07 01:44:10,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:44:10,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:44:10,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:44:10,792 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-12-07 01:44:10,792 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:44:10,792 INFO L791 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 840#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 855#L574 assume !(main_~Alen~0#1 < 1); 854#L574-2 assume !(main_~Blen~0#1 < 1); 848#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 849#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 850#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 861#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 863#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 859#L557-2 assume !(0 == diff_~found~0#1); 857#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 851#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 852#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 866#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 853#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 845#L557-2 assume !(0 == diff_~found~0#1); 846#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1; 847#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 842#L558-2 [2021-12-07 01:44:10,792 INFO L793 eck$LassoCheckResult]: Loop: 842#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 841#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 842#L558-2 [2021-12-07 01:44:10,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1879787962, now seen corresponding path program 3 times [2021-12-07 01:44:10,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:10,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375739533] [2021-12-07 01:44:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:10,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,804 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:10,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 4 times [2021-12-07 01:44:10,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:10,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131536553] [2021-12-07 01:44:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:10,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,819 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:10,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:10,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1705001195, now seen corresponding path program 2 times [2021-12-07 01:44:10,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:44:10,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939522259] [2021-12-07 01:44:10,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:44:10,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:44:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,842 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:44:10,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 01:44:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:44:10,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:44:11,816 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:44:11,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:44:11,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:44:11,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:44:11,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:44:11,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:11,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:44:11,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:44:11,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration8_Lasso [2021-12-07 01:44:11,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:44:11,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:44:11,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:11,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:44:12,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:44:12,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:44:12,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,423 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 01:44:12,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:12,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:12,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 01:44:12,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,452 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 01:44:12,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:12,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:12,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:12,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-07 01:44:12,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,481 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 01:44:12,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:12,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:12,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:12,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-07 01:44:12,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,510 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 01:44:12,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:44:12,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:44:12,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:44:12,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 01:44:12,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,539 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 01:44:12,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:12,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:12,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-07 01:44:12,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,570 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 01:44:12,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:12,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:12,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:44:12,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-07 01:44:12,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,600 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 01:44:12,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:44:12,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:44:12,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:44:12,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:44:12,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:44:12,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:44:12,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:44:12,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:44:12,656 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-07 01:44:12,656 INFO L444 ModelExtractionUtils]: 58 out of 70 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-07 01:44:12,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:44:12,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:44:12,657 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:44:12,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 01:44:12,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:44:12,666 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 01:44:12,666 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:44:12,666 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2021-12-07 01:44:12,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-07 01:44:12,739 INFO L297 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2021-12-07 01:44:12,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:12,782 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 [2021-12-07 01:44:12,783 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 7 states. [2021-12-07 01:44:12,793 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 [2021-12-07 01:44:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-07 01:44:12,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-07 01:44:12,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:12,795 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:44:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:12,840 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 01:44:12,840 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,847 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 7 states. [2021-12-07 01:44:12,847 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 [2021-12-07 01:44:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-07 01:44:12,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-07 01:44:12,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:12,848 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:44:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:44:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 01:44:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:44:12,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:44:12,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:44:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:44:12,897 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 01:44:12,897 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 74 transitions. Complement of second has 6 states. [2021-12-07 01:44:12,907 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 [2021-12-07 01:44:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:44:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-12-07 01:44:12,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-07 01:44:12,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:12,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 20 letters. Loop has 2 letters. [2021-12-07 01:44:12,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:12,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-07 01:44:12,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:44:12,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 74 transitions. [2021-12-07 01:44:12,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:44:12,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 01:44:12,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 01:44:12,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:44:12,911 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-07 01:44:12,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:44:12,911 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:44:12,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 01:44:12,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:44:12 BoogieIcfgContainer [2021-12-07 01:44:12,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 01:44:12,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:44:12,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:44:12,917 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:44:12,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:44:04" (3/4) ... [2021-12-07 01:44:12,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:44:12,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:44:12,920 INFO L158 Benchmark]: Toolchain (without parser) took 9355.48ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 54.9MB in the beginning and 93.0MB in the end (delta: -38.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-12-07 01:44:12,921 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:44:12,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 61.0MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:44:12,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 59.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:44:12,921 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:44:12,922 INFO L158 Benchmark]: RCFGBuilder took 261.23ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 01:44:12,922 INFO L158 Benchmark]: BuchiAutomizer took 8726.12ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 46.6MB in the beginning and 94.1MB in the end (delta: -47.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:44:12,922 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 93.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:44:12,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.84ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 61.0MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 59.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.23ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 46.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8726.12ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 46.6MB in the beginning and 94.1MB in the end (delta: -47.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 93.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 2 deterministic, 2 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[A] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function 3 * unknown-#length-unknown[B] + -8 * j and consists of 7 locations. One nondeterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 7.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 7. Nontrivial modules had stage [2, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 157 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital266 mio100 ax106 hnf99 lsp84 ukn92 mio100 lsp53 div100 bol100 ite100 ukn100 eq186 hnf90 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 01:44:12,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55f481c-1fb3-49d2-a1e1-6eb58178eb99/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE